diff --git a/src/Makefile.am b/src/Makefile.am
index 445164227..447e48f52 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -411,6 +411,7 @@ claimtrie_libclaimtrie_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 claimtrie_libclaimtrie_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 claimtrie_libclaimtrie_a_CFLAGS = $(PIE_FLAGS)
 claimtrie_libclaimtrie_a_SOURCES = \
+  claimtrie/blob.cpp \
   claimtrie/data.cpp \
   claimtrie/forks.cpp \
   claimtrie/hashes.cpp \
diff --git a/src/addrman.cpp b/src/addrman.cpp
index 093b263ab..beaaa5abf 100644
--- a/src/addrman.cpp
+++ b/src/addrman.cpp
@@ -11,23 +11,23 @@
 
 int CAddrInfo::GetTriedBucket(const uint256& nKey) const
 {
-    uint64_t hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << GetKey()).GetHash().GetCheapHash();
-    uint64_t hash2 = (CHashWriter(SER_GETHASH, 0) << nKey << GetGroup() << (hash1 % ADDRMAN_TRIED_BUCKETS_PER_GROUP)).GetHash().GetCheapHash();
-    return hash2 % ADDRMAN_TRIED_BUCKET_COUNT;
+    auto hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << GetKey()).GetHash();
+    auto hash2 = (CHashWriter(SER_GETHASH, 0) << nKey << GetGroup() << (GetCheapHash(hash1) % ADDRMAN_TRIED_BUCKETS_PER_GROUP)).GetHash();
+    return GetCheapHash(hash2) % ADDRMAN_TRIED_BUCKET_COUNT;
 }
 
 int CAddrInfo::GetNewBucket(const uint256& nKey, const CNetAddr& src) const
 {
     std::vector<unsigned char> vchSourceGroupKey = src.GetGroup();
-    uint64_t hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << GetGroup() << vchSourceGroupKey).GetHash().GetCheapHash();
-    uint64_t hash2 = (CHashWriter(SER_GETHASH, 0) << nKey << vchSourceGroupKey << (hash1 % ADDRMAN_NEW_BUCKETS_PER_SOURCE_GROUP)).GetHash().GetCheapHash();
-    return hash2 % ADDRMAN_NEW_BUCKET_COUNT;
+    auto hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << GetGroup() << vchSourceGroupKey).GetHash();
+    auto hash2 = (CHashWriter(SER_GETHASH, 0) << nKey << vchSourceGroupKey << (GetCheapHash(hash1) % ADDRMAN_NEW_BUCKETS_PER_SOURCE_GROUP)).GetHash();
+    return GetCheapHash(hash2) % ADDRMAN_NEW_BUCKET_COUNT;
 }
 
 int CAddrInfo::GetBucketPosition(const uint256 &nKey, bool fNew, int nBucket) const
 {
-    uint64_t hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << (fNew ? 'N' : 'K') << nBucket << GetKey()).GetHash().GetCheapHash();
-    return hash1 % ADDRMAN_BUCKET_SIZE;
+    auto hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << (fNew ? 'N' : 'K') << nBucket << GetKey()).GetHash();
+    return GetCheapHash(hash1) % ADDRMAN_BUCKET_SIZE;
 }
 
 bool CAddrInfo::IsTerrible(int64_t nNow) const
diff --git a/src/claimtrie/CMakeLists.txt b/src/claimtrie/CMakeLists.txt
index 278abaec6..a6d9c8f0e 100644
--- a/src/claimtrie/CMakeLists.txt
+++ b/src/claimtrie/CMakeLists.txt
@@ -8,6 +8,7 @@ include(../../contrib/cmake/cmake/CPM.cmake)
 include(ExternalProject)
 
 set(CLAIMTRIE_SRC
+    blob.cpp
     data.cpp
     forks.cpp
     hashes.cpp
diff --git a/src/claimtrie/blob.cpp b/src/claimtrie/blob.cpp
new file mode 100644
index 000000000..9a86c2097
--- /dev/null
+++ b/src/claimtrie/blob.cpp
@@ -0,0 +1,166 @@
+
+#include <blob.h>
+
+#include <algorithm>
+#include <cassert>
+#include <cstring>
+#include <iomanip>
+#include <sstream>
+
+/** Template base class for fixed-sized opaque blobs. */
+template<uint32_t BITS>
+CBaseBlob<BITS>::CBaseBlob()
+{
+    SetNull();
+}
+
+template<uint32_t BITS>
+CBaseBlob<BITS>::CBaseBlob(const std::vector<uint8_t>& vec)
+{
+    assert(vec.size() == size());
+    std::copy(vec.begin(), vec.end(), begin());
+}
+
+template<uint32_t BITS>
+CBaseBlob<BITS>::CBaseBlob(const CBaseBlob& o)
+{
+    *this = o;
+}
+
+template<uint32_t BITS>
+CBaseBlob<BITS>& CBaseBlob<BITS>::operator=(const CBaseBlob& o)
+{
+    if (this != &o)
+        std::copy(o.begin(), o.end(), begin());
+    return *this;
+}
+
+template<uint32_t BITS>
+int CBaseBlob<BITS>::Compare(const CBaseBlob& b) const
+{
+    return std::memcmp(begin(), b.begin(), size());
+}
+
+template<uint32_t BITS>
+bool CBaseBlob<BITS>::operator<(const CBaseBlob& b) const
+{
+    return Compare(b) < 0;
+}
+
+template<uint32_t BITS>
+bool CBaseBlob<BITS>::operator==(const CBaseBlob& b) const
+{
+    return Compare(b) == 0;
+}
+
+template<uint32_t BITS>
+bool CBaseBlob<BITS>::operator!=(const CBaseBlob& b) const
+{
+    return !(*this == b);
+}
+
+template<uint32_t BITS>
+bool CBaseBlob<BITS>::IsNull() const
+{
+    return std::all_of(begin(), end(), [](uint8_t e) { return e == 0; });
+}
+
+template<uint32_t BITS>
+void CBaseBlob<BITS>::SetNull()
+{
+    data.fill(0);
+}
+
+template<uint32_t BITS>
+std::string CBaseBlob<BITS>::GetHex() const
+{
+    std::stringstream ss;
+    ss << std::hex;
+    for (auto it = data.rbegin(); it != data.rend(); ++it)
+        ss << std::setw(2) << std::setfill('0') << uint32_t(*it);
+    return ss.str();
+}
+
+template<uint32_t BITS>
+void CBaseBlob<BITS>::SetHex(const char* psz)
+{
+    SetNull();
+
+    // skip leading spaces
+    while (isspace(*psz))
+        psz++;
+
+    // skip 0x
+    if (psz[0] == '0' && tolower(psz[1]) == 'x')
+        psz += 2;
+
+    auto b = psz;
+    // advance to end
+    while (isxdigit(*psz))
+        psz++;
+
+    --psz;
+    char buf[3] = {};
+    auto it = begin();
+    while (psz >= b && it != end()) {
+        buf[1] = *psz--;
+        buf[0] = psz >= b ? *psz-- : '0';
+        *it++ = std::strtoul(buf, nullptr, 16);
+    }
+}
+
+template<uint32_t BITS>
+uint64_t CBaseBlob<BITS>::GetUint64(int pos) const
+{
+    assert((pos + 1) * 8 <= size());
+    const uint8_t* ptr = begin() + pos * 8;
+    uint64_t res = 0;
+    for (int i = 0; i < 8; ++i)
+        res |= (uint64_t(ptr[i]) << (8 * i));
+    return res;
+}
+
+template<uint32_t BITS>
+void CBaseBlob<BITS>::SetHex(const std::string& str)
+{
+    SetHex(str.c_str());
+}
+
+template<uint32_t BITS>
+std::string CBaseBlob<BITS>::ToString() const
+{
+    return GetHex();
+}
+
+template<uint32_t BITS>
+uint8_t* CBaseBlob<BITS>::begin() noexcept
+{
+    return data.begin();
+}
+
+template<uint32_t BITS>
+const uint8_t* CBaseBlob<BITS>::begin() const noexcept
+{
+    return data.begin();
+}
+
+template<uint32_t BITS>
+uint8_t* CBaseBlob<BITS>::end() noexcept
+{
+    return data.end();
+}
+
+template<uint32_t BITS>
+const uint8_t* CBaseBlob<BITS>::end() const noexcept
+{
+    return data.end();
+}
+
+template<uint32_t BITS>
+std::size_t CBaseBlob<BITS>::size() const
+{
+    return data.size();
+}
+
+template class CBaseBlob<160>;
+template class CBaseBlob<256>;
diff --git a/src/claimtrie/blob.h b/src/claimtrie/blob.h
new file mode 100644
index 000000000..7e4ed47e0
--- /dev/null
+++ b/src/claimtrie/blob.h
@@ -0,0 +1,50 @@
+
+#ifndef CLAIMTRIE_BLOB_H
+#define CLAIMTRIE_BLOB_H
+
+#include <array>
+#include <string>
+#include <vector>
+
+/** Template base class for fixed-sized opaque blobs. */
+template<uint32_t BITS>
+class CBaseBlob
+{
+    std::array<uint8_t, BITS / 8> data;
+public:
+    CBaseBlob();
+
+    explicit CBaseBlob(const std::vector<uint8_t>& vec);
+
+    CBaseBlob(CBaseBlob&&) = default;
+    CBaseBlob& operator=(CBaseBlob&&) = default;
+
+    CBaseBlob(const CBaseBlob& o);
+    CBaseBlob& operator=(const CBaseBlob& o);
+
+    int Compare(const CBaseBlob& b) const;
+    bool operator<(const CBaseBlob& b) const;
+    bool operator==(const CBaseBlob& b) const;
+    bool operator!=(const CBaseBlob& b) const;
+
+    uint8_t* begin() noexcept;
+    const uint8_t* begin() const noexcept;
+
+    uint8_t* end() noexcept;
+    const uint8_t* end() const noexcept;
+
+    std::size_t size() const;
+
+    bool IsNull() const;
+    void SetNull();
+
+    std::string GetHex() const;
+    void SetHex(const char* psz);
+    void SetHex(const std::string& str);
+
+    std::string ToString() const;
+
+    uint64_t GetUint64(int pos) const;
+};
+
+#endif // CLAIMTRIE_BLOB_H
diff --git a/src/claimtrie/data.cpp b/src/claimtrie/data.cpp
index aff3511fc..85cc1eac5 100644
--- a/src/claimtrie/data.cpp
+++ b/src/claimtrie/data.cpp
@@ -4,7 +4,7 @@
 #include <algorithm>
 #include <sstream>
 
-CClaimValue::CClaimValue(CTxOutPoint outPoint, CUint160 claimId, int64_t nAmount, int nHeight, int nValidAtHeight)
+CClaimValue::CClaimValue(COutPoint outPoint, uint160 claimId, int64_t nAmount, int nHeight, int nValidAtHeight)
     : outPoint(std::move(outPoint)), claimId(std::move(claimId)), nAmount(nAmount), nEffectiveAmount(nAmount), nHeight(nHeight), nValidAtHeight(nValidAtHeight)
 {
 }
@@ -44,7 +44,7 @@ std::string CClaimValue::ToString() const
     return ss.str();
 }
 
-CSupportValue::CSupportValue(CTxOutPoint outPoint, CUint160 supportedClaimId, int64_t nAmount, int nHeight, int nValidAtHeight)
+CSupportValue::CSupportValue(COutPoint outPoint, uint160 supportedClaimId, int64_t nAmount, int nHeight, int nValidAtHeight)
     : outPoint(std::move(outPoint)), supportedClaimId(std::move(supportedClaimId)), nAmount(nAmount), nHeight(nHeight), nValidAtHeight(nValidAtHeight)
 {
 }
@@ -70,7 +70,7 @@ std::string CSupportValue::ToString() const
     return ss.str();
 }
 
-CNameOutPointHeightType::CNameOutPointHeightType(std::string name, CTxOutPoint outPoint, int nValidHeight)
+CNameOutPointHeightType::CNameOutPointHeightType(std::string name, COutPoint outPoint, int nValidHeight)
     : name(std::move(name)), outPoint(std::move(outPoint)), nValidHeight(nValidHeight)
 {
 }
@@ -92,7 +92,7 @@ CClaimSupportToName::CClaimSupportToName(std::string name, int nLastTakeoverHeig
 
 static const CClaimNsupports invalid;
 
-const CClaimNsupports& CClaimSupportToName::find(const CUint160& claimId) const
+const CClaimNsupports& CClaimSupportToName::find(const uint160& claimId) const
 {
     auto it = std::find_if(claimsNsupports.begin(), claimsNsupports.end(), [&claimId](const CClaimNsupports& value) {
         return claimId == value.claim.claimId;
@@ -117,7 +117,7 @@ bool CClaimNsupports::operator<(const CClaimNsupports& other) const
     return claim < other.claim;
 }
 
-CClaimTrieProofNode::CClaimTrieProofNode(std::vector<std::pair<unsigned char, CUint256>> children, bool hasValue, CUint256 valHash)
+CClaimTrieProofNode::CClaimTrieProofNode(std::vector<std::pair<unsigned char, uint256>> children, bool hasValue, uint256 valHash)
     : children(std::move(children)), hasValue(hasValue), valHash(std::move(valHash))
 {
 }
diff --git a/src/claimtrie/data.h b/src/claimtrie/data.h
index ef5d8187b..4b1138980 100644
--- a/src/claimtrie/data.h
+++ b/src/claimtrie/data.h
@@ -11,15 +11,15 @@
 
 struct CClaimValue
 {
-    CTxOutPoint outPoint;
-    CUint160 claimId;
+    COutPoint outPoint;
+    uint160 claimId;
     int64_t nAmount = 0;
     int64_t nEffectiveAmount = 0;
     int nHeight = 0;
     int nValidAtHeight = 0;
 
     CClaimValue() = default;
-    CClaimValue(CTxOutPoint outPoint, CUint160 claimId, int64_t nAmount, int nHeight, int nValidAtHeight);
+    CClaimValue(COutPoint outPoint, uint160 claimId, int64_t nAmount, int nHeight, int nValidAtHeight);
 
     CClaimValue(CClaimValue&&) = default;
     CClaimValue(const CClaimValue&) = default;
@@ -35,14 +35,14 @@ struct CClaimValue
 
 struct CSupportValue
 {
-    CTxOutPoint outPoint;
-    CUint160 supportedClaimId;
+    COutPoint outPoint;
+    uint160 supportedClaimId;
     int64_t nAmount = 0;
     int nHeight = 0;
     int nValidAtHeight = 0;
 
     CSupportValue() = default;
-    CSupportValue(CTxOutPoint outPoint, CUint160 supportedClaimId, int64_t nAmount, int nHeight, int nValidAtHeight);
+    CSupportValue(COutPoint outPoint, uint160 supportedClaimId, int64_t nAmount, int nHeight, int nValidAtHeight);
 
     CSupportValue(CSupportValue&&) = default;
     CSupportValue(const CSupportValue&) = default;
@@ -61,11 +61,11 @@ typedef std::vector<CSupportValue> supportEntryType;
 struct CNameOutPointHeightType
 {
     std::string name;
-    CTxOutPoint outPoint;
+    COutPoint outPoint;
     int nValidHeight = 0;
 
     CNameOutPointHeightType() = default;
-    CNameOutPointHeightType(std::string name, CTxOutPoint outPoint, int nValidHeight);
+    CNameOutPointHeightType(std::string name, COutPoint outPoint, int nValidHeight);
 };
 
 struct CClaimNsupports
@@ -91,7 +91,7 @@ struct CClaimSupportToName
 {
     CClaimSupportToName(std::string name, int nLastTakeoverHeight, std::vector<CClaimNsupports> claimsNsupports, std::vector<CSupportValue> unmatchedSupports);
 
-    const CClaimNsupports& find(const CUint160& claimId) const;
+    const CClaimNsupports& find(const uint160& claimId) const;
     const CClaimNsupports& find(const std::string& partialId) const;
 
     const std::string name;
@@ -102,7 +102,7 @@ struct CClaimSupportToName
 
 struct CClaimTrieProofNode
 {
-    CClaimTrieProofNode(std::vector<std::pair<unsigned char, CUint256>> children, bool hasValue, CUint256 valHash);
+    CClaimTrieProofNode(std::vector<std::pair<unsigned char, uint256>> children, bool hasValue, uint256 valHash);
 
     CClaimTrieProofNode() = default;
     CClaimTrieProofNode(CClaimTrieProofNode&&) = default;
@@ -110,9 +110,9 @@ struct CClaimTrieProofNode
     CClaimTrieProofNode& operator=(CClaimTrieProofNode&&) = default;
     CClaimTrieProofNode& operator=(const CClaimTrieProofNode&) = default;
 
-    std::vector<std::pair<unsigned char, CUint256>> children;
+    std::vector<std::pair<unsigned char, uint256>> children;
     bool hasValue;
-    CUint256 valHash;
+    uint256 valHash;
 };
 
 struct CClaimTrieProof
@@ -123,11 +123,11 @@ struct CClaimTrieProof
     CClaimTrieProof& operator=(CClaimTrieProof&&) = default;
     CClaimTrieProof& operator=(const CClaimTrieProof&) = default;
 
-    std::vector<std::pair<bool, CUint256>> pairs;
+    std::vector<std::pair<bool, uint256>> pairs;
     std::vector<CClaimTrieProofNode> nodes;
     int nHeightOfLastTakeover = 0;
     bool hasValue = false;
-    CTxOutPoint outPoint;
+    COutPoint outPoint;
 };
 
 #endif // CLAIMTRIE_DATA_H
diff --git a/src/claimtrie/forks.cpp b/src/claimtrie/forks.cpp
index 86b3a6524..82fc18c17 100644
--- a/src/claimtrie/forks.cpp
+++ b/src/claimtrie/forks.cpp
@@ -198,7 +198,7 @@ bool CClaimTrieCacheNormalizationFork::decrementBlock()
     return ret;
 }
 
-bool CClaimTrieCacheNormalizationFork::getProofForName(const std::string& name, const CUint160& claim, CClaimTrieProof& proof)
+bool CClaimTrieCacheNormalizationFork::getProofForName(const std::string& name, const uint160& claim, CClaimTrieProof& proof)
 {
     return CClaimTrieCacheExpirationFork::getProofForName(normalizeClaimName(name), claim, proof);
 }
@@ -213,7 +213,7 @@ CClaimSupportToName CClaimTrieCacheNormalizationFork::getClaimsForName(const std
     return CClaimTrieCacheExpirationFork::getClaimsForName(normalizeClaimName(name));
 }
 
-int CClaimTrieCacheNormalizationFork::getDelayForName(const std::string& name, const CUint160& claimId) const
+int CClaimTrieCacheNormalizationFork::getDelayForName(const std::string& name, const uint160& claimId) const
 {
     return CClaimTrieCacheExpirationFork::getDelayForName(normalizeClaimName(name), claimId);
 }
@@ -227,10 +227,10 @@ CClaimTrieCacheHashFork::CClaimTrieCacheHashFork(CClaimTrie* base) : CClaimTrieC
 {
 }
 
-static const auto leafHash = CUint256S("0000000000000000000000000000000000000000000000000000000000000002");
-static const auto emptyHash = CUint256S("0000000000000000000000000000000000000000000000000000000000000003");
+static const auto leafHash = uint256S("0000000000000000000000000000000000000000000000000000000000000002");
+static const auto emptyHash = uint256S("0000000000000000000000000000000000000000000000000000000000000003");
 
-CUint256 ComputeMerkleRoot(std::vector<CUint256> hashes)
+uint256 ComputeMerkleRoot(std::vector<uint256> hashes)
 {
     while (hashes.size() > 1) {
         if (hashes.size() & 1)
@@ -242,23 +242,23 @@ CUint256 ComputeMerkleRoot(std::vector<CUint256> hashes)
 
         hashes.resize(hashes.size() / 2);
     }
-    return hashes.empty() ? CUint256{} : hashes[0];
+    return hashes.empty() ? uint256{} : hashes[0];
 }
 
-CUint256 CClaimTrieCacheHashFork::computeNodeHash(const std::string& name, int takeoverHeight)
+uint256 CClaimTrieCacheHashFork::computeNodeHash(const std::string& name, int takeoverHeight)
 {
     if (nNextHeight < base->nAllClaimsInMerkleForkHeight)
         return CClaimTrieCacheNormalizationFork::computeNodeHash(name, takeoverHeight);
 
-    std::vector<CUint256> childHashes;
-    childHashQuery << name >> [&childHashes](std::string, CUint256 hash) {
+    std::vector<uint256> childHashes;
+    childHashQuery << name >> [&childHashes](std::string, uint256 hash) {
         childHashes.push_back(std::move(hash));
     };
     childHashQuery++;
 
-    std::vector<CUint256> claimHashes;
+    std::vector<uint256> claimHashes;
     //if (takeoverHeight > 0) {
-        CTxOutPoint p;
+        COutPoint p;
         for (auto &&row: claimHashQuery << nNextHeight << name) {
             row >> p.hash >> p.n;
             claimHashes.push_back(getValueHash(p, takeoverHeight));
@@ -272,14 +272,14 @@ CUint256 CClaimTrieCacheHashFork::computeNodeHash(const std::string& name, int t
     return Hash(left.begin(), left.end(), right.begin(), right.end());
 }
 
-std::vector<CUint256> ComputeMerklePath(const std::vector<CUint256>& hashes, uint32_t idx)
+std::vector<uint256> ComputeMerklePath(const std::vector<uint256>& hashes, uint32_t idx)
 {
     uint32_t count = 0;
     int matchlevel = -1;
     bool matchh = false;
-    CUint256 inner[32], h;
+    uint256 inner[32], h;
     const uint32_t one = 1;
-    std::vector<CUint256> res;
+    std::vector<uint256> res;
 
     const auto iterateInner = [&](int& level) {
         for (; !(count & (one << level)); level++) {
@@ -329,12 +329,12 @@ std::vector<CUint256> ComputeMerklePath(const std::vector<CUint256>& hashes, uin
 
 extern const std::string proofClaimQuery_s;
 
-bool CClaimTrieCacheHashFork::getProofForName(const std::string& name, const CUint160& claim, CClaimTrieProof& proof)
+bool CClaimTrieCacheHashFork::getProofForName(const std::string& name, const uint160& claim, CClaimTrieProof& proof)
 {
     if (nNextHeight < base->nAllClaimsInMerkleForkHeight)
         return CClaimTrieCacheNormalizationFork::getProofForName(name, claim, proof);
 
-    auto fillPairs = [&proof](const std::vector<CUint256>& hashes, uint32_t idx) {
+    auto fillPairs = [&proof](const std::vector<uint256>& hashes, uint32_t idx) {
         auto partials = ComputeMerklePath(hashes, idx);
         for (int i = partials.size() - 1; i >= 0; --i)
             proof.pairs.emplace_back((idx >> i) & 1, partials[i]);
@@ -348,10 +348,10 @@ bool CClaimTrieCacheHashFork::getProofForName(const std::string& name, const CUi
         int takeoverHeight;
         row >> key >> takeoverHeight;
         uint32_t nextCurrentIdx = 0;
-        std::vector<CUint256> childHashes;
+        std::vector<uint256> childHashes;
         for (auto&& child : childHashQuery << key) {
             std::string childKey;
-            CUint256 childHash;
+            uint256 childHash;
             child >> childKey >> childHash;
             if (name.find(childKey) == 0)
                 nextCurrentIdx = uint32_t(childHashes.size());
@@ -359,11 +359,11 @@ bool CClaimTrieCacheHashFork::getProofForName(const std::string& name, const CUi
         }
         childHashQuery++;
 
-        std::vector<CUint256> claimHashes;
+        std::vector<uint256> claimHashes;
         uint32_t claimIdx = 0;
         for (auto&& child: claimHashQuery << nNextHeight << key) {
-            CTxOutPoint childOutPoint;
-            CUint160 childClaimID;
+            COutPoint childOutPoint;
+            uint160 childClaimID;
             child >> childOutPoint.hash >> childOutPoint.n >> childClaimID;
             if (childClaimID == claim && key == name) {
                 claimIdx = uint32_t(claimHashes.size());
@@ -417,4 +417,4 @@ bool CClaimTrieCacheHashFork::finalizeDecrement()
 bool CClaimTrieCacheHashFork::allowSupportMetadata() const
 {
     return nNextHeight >= base->nAllClaimsInMerkleForkHeight;
-}
\ No newline at end of file
+}
diff --git a/src/claimtrie/forks.h b/src/claimtrie/forks.h
index b81424eaf..0e780bcc7 100644
--- a/src/claimtrie/forks.h
+++ b/src/claimtrie/forks.h
@@ -37,13 +37,13 @@ public:
     bool incrementBlock() override;
     bool decrementBlock() override;
 
-    bool getProofForName(const std::string& name, const CUint160& claim, CClaimTrieProof& proof) override;
+    bool getProofForName(const std::string& name, const uint160& claim, CClaimTrieProof& proof) override;
     bool getInfoForName(const std::string& name, CClaimValue& claim, int heightOffset = 0) const override;
     CClaimSupportToName getClaimsForName(const std::string& name) const override;
     std::string adjustNameForValidHeight(const std::string& name, int validHeight) const override;
 
 protected:
-    int getDelayForName(const std::string& name, const CUint160& claimId) const override;
+    int getDelayForName(const std::string& name, const uint160& claimId) const override;
 
 private:
     bool normalizeAllNamesInTrieIfNecessary();
@@ -55,14 +55,14 @@ class CClaimTrieCacheHashFork : public CClaimTrieCacheNormalizationFork
 public:
     explicit CClaimTrieCacheHashFork(CClaimTrie* base);
 
-    bool getProofForName(const std::string& name, const CUint160& claim, CClaimTrieProof& proof) override;
+    bool getProofForName(const std::string& name, const uint160& claim, CClaimTrieProof& proof) override;
     void initializeIncrement() override;
     bool finalizeDecrement() override;
 
     bool allowSupportMetadata() const;
 
 protected:
-    CUint256 computeNodeHash(const std::string& name, int takeoverHeight) override;
+    uint256 computeNodeHash(const std::string& name, int takeoverHeight) override;
 };
 
 typedef CClaimTrieCacheHashFork CClaimTrieCache;
diff --git a/src/claimtrie/hashes.cpp b/src/claimtrie/hashes.cpp
index 1debebdbe..e0a2f293f 100644
--- a/src/claimtrie/hashes.cpp
+++ b/src/claimtrie/hashes.cpp
@@ -2,9 +2,9 @@
 #include <hashes.h>
 
 // Bitcoin doubles hash
-CUint256 CalcHash(SHA256_CTX* sha)
+uint256 CalcHash(SHA256_CTX* sha)
 {
-    CUint256 result;
+    uint256 result;
     SHA256_Final(result.begin(), sha);
     SHA256_Init(sha);
     SHA256_Update(sha, result.begin(), result.size());
diff --git a/src/claimtrie/hashes.h b/src/claimtrie/hashes.h
index 39a5894f1..10709377d 100644
--- a/src/claimtrie/hashes.h
+++ b/src/claimtrie/hashes.h
@@ -6,10 +6,10 @@
 
 #include <uints.h>
 
-CUint256 CalcHash(SHA256_CTX* sha);
+uint256 CalcHash(SHA256_CTX* sha);
 
 template<typename TIterator, typename... Args>
-CUint256 CalcHash(SHA256_CTX* sha, TIterator begin, TIterator end, Args... args)
+uint256 CalcHash(SHA256_CTX* sha, TIterator begin, TIterator end, Args... args)
 {
     static uint8_t blank;
     SHA256_Update(sha, begin == end ? &blank : (uint8_t*)&begin[0], std::distance(begin, end) * sizeof(begin[0]));
@@ -17,7 +17,7 @@ CUint256 CalcHash(SHA256_CTX* sha, TIterator begin, TIterator end, Args... args)
 }
 
 template<typename TIterator, typename... Args>
-CUint256 Hash(TIterator begin, TIterator end, Args... args)
+uint256 Hash(TIterator begin, TIterator end, Args... args)
 {
     static_assert((sizeof...(args) & 1) != 1, "Parameters should be even number");
     SHA256_CTX sha;
diff --git a/src/claimtrie/libclaimtrie.i b/src/claimtrie/libclaimtrie.i
index 654185451..a02bc2c51 100644
--- a/src/claimtrie/libclaimtrie.i
+++ b/src/claimtrie/libclaimtrie.i
@@ -1,6 +1,7 @@
 
 %module(directors="1") libclaimtrie
 %{
+#include "blob.h"
 #include "uints.h"
 #include "txoutpoint.h"
 #include "data.h"
@@ -13,6 +14,7 @@
 
 %include stl.i
 %include stdint.i
+%include std_array.i
 %include std_pair.i
 
 %apply int& OUTPUT { int& nValidAtHeight };
@@ -22,8 +24,15 @@
 %ignore CClaimTrieProof(CClaimTrieProof &&);
 %ignore CClaimTrieProofNode(CClaimTrieProofNode &&);
 %ignore CClaimValue(CClaimValue &&);
+%ignore COutPoint(COutPoint &&);
 %ignore CSupportValue(CSupportValue &&);
-%ignore CTxOutPoint(CTxOutPoint &&);
+%ignore uint160(uint160 &&);
+%ignore uint256(uint256 &&);
+
+%include "blob.h"
+
+%template(blob160) CBaseBlob<160>;
+%template(blob256) CBaseBlob<256>;
 
 %include "uints.h"
 %include "txoutpoint.h"
@@ -34,20 +43,16 @@
 %include "trie.h"
 %include "forks.h"
 
-%template(CUint160) CBaseBlob<160>;
-%template(CUint256) CBaseBlob<256>;
-%template(uint8vec) std::vector<uint8_t>;
-
 %template(claimEntryType) std::vector<CClaimValue>;
 %template(supportEntryType) std::vector<CSupportValue>;
 %template(claimsNsupports) std::vector<CClaimNsupports>;
 
-%template(proofPair) std::pair<bool, CUint256>;
-%template(proofNodePair) std::pair<unsigned char, CUint256>;
+%template(proofPair) std::pair<bool, uint256>;
+%template(proofNodePair) std::pair<unsigned char, uint256>;
 
 %template(proofNodes) std::vector<CClaimTrieProofNode>;
-%template(proofPairs) std::vector<std::pair<bool, CUint256>>;
-%template(proofNodeChildren) std::vector<std::pair<unsigned char, CUint256>>;
+%template(proofPairs) std::vector<std::pair<bool, uint256>>;
+%template(proofNodeChildren) std::vector<std::pair<unsigned char, uint256>>;
 
 %inline %{
 struct CIterateCallback {
diff --git a/src/claimtrie/libclaimtrie_test.py b/src/claimtrie/libclaimtrie_test.py
index 63c901492..bbc483ced 100644
--- a/src/claimtrie/libclaimtrie_test.py
+++ b/src/claimtrie/libclaimtrie_test.py
@@ -13,9 +13,9 @@ class CacheIterateCallback(CIterateCallback):
 class TestClaimTrieTypes(unittest.TestCase):
     def setUp(self):
         self.uint256s = "1234567890987654321012345678909876543210123456789098765432101234"
-        self.uint160 = CUint160S("1234567890987654321012345678909876543210")
-        self.uint = CUint256S(self.uint256s)
-        self.txp = CTxOutPoint(self.uint, 1)
+        self.uint160 = uint160S("1234567890987654321012345678909876543210")
+        self.uint = uint256S(self.uint256s)
+        self.txp = COutPoint(self.uint, 1)
 
     def assertClaimEqual(self, claim, txo, cid, amount, effe, height, validHeight, msg):
         self.assertEqual(claim.outPoint, txo, msg)
@@ -34,14 +34,14 @@ class TestClaimTrieTypes(unittest.TestCase):
 
     def test_uint256(self):
         uint = self.uint
-        self.assertFalse(uint.IsNull(), "incorrect CUint256S or CBaseBlob::IsNull")
+        self.assertFalse(uint.IsNull(), "incorrect uint256S or CBaseBlob::IsNull")
         self.assertEqual(uint.GetHex(), self.uint256s, "incorrect CBaseBlob::GetHex")
         self.assertEqual(uint.GetHex(), uint.ToString(), "incorrect CBaseBlob::ToString")
         self.assertEqual(uint.size(), 32, "incorrect CBaseBlob::size")
-        copy = CUint256()
+        copy = uint256()
         self.assertNotEqual(copy, uint, "incorrect CBaseBlob::operator!=")
         self.assertTrue(copy.IsNull(), "incorrect CBaseBlob::IsNull")
-        copy = CUint256(uint)
+        copy = uint256(uint)
         self.assertEqual(copy, uint, "incorrect CBaseBlob::operator==")
         copy.SetNull()
         self.assertTrue(copy.IsNull()), "incorrect CBaseBlob::SetNull"
@@ -49,14 +49,14 @@ class TestClaimTrieTypes(unittest.TestCase):
     def test_txoupoint(self):
         txp = self.txp
         uint = self.uint
-        self.assertEqual(txp.hash, uint, "incorrect CTxOutPoint::CTxOutPoint")
-        self.assertEqual(txp.n, 1, "incorrect CTxOutPoint::CTxOutPoint")
-        self.assertFalse(txp.IsNull(), "incorrect CTxOutPoint::IsNull")
-        pcopy = CTxOutPoint()
-        self.assertTrue(pcopy.IsNull(), "incorrect CTxOutPoint::IsNull")
-        self.assertEqual(pcopy.hash, CUint256(), "incorrect CTxOutPoint::CTxOutPoint")
-        self.assertNotEqual(pcopy, txp, "incorrect CTxOutPoint::operator!=")
-        self.assertIn(uint.ToString()[:10], txp.ToString(), "incorrect CTxOutPoint::ToString")
+        self.assertEqual(txp.hash, uint, "incorrect COutPoint::COutPoint")
+        self.assertEqual(txp.n, 1, "incorrect COutPoint::COutPoint")
+        self.assertFalse(txp.IsNull(), "incorrect COutPoint::IsNull")
+        pcopy = COutPoint()
+        self.assertTrue(pcopy.IsNull(), "incorrect COutPoint::IsNull")
+        self.assertEqual(pcopy.hash, uint256(), "incorrect COutPoint::COutPoint")
+        self.assertNotEqual(pcopy, txp, "incorrect COutPoint::operator!=")
+        self.assertIn(uint.ToString()[:10], txp.ToString(), "incorrect COutPoint::ToString")
 
     def test_claim(self):
         txp = self.txp
@@ -88,7 +88,7 @@ class TestClaimTrieTypes(unittest.TestCase):
         nValidAtHeight = -1
         # add second claim
         txp.n = 2
-        uint1601 = CUint160S("1234567890987654321012345678909876543211")
+        uint1601 = uint160S("1234567890987654321012345678909876543211")
         self.assertTrue(cache.addClaim("test", txp, uint1601, 20, 1, 1), "incorrect CClaimtrieCache::addClaim")
         result, nValidAtHeight = cache.haveClaimInQueue("test", txp)
         self.assertTrue(result, "incorrect CClaimTrieCache::haveClaimInQueue")
diff --git a/src/claimtrie/sqlite.h b/src/claimtrie/sqlite.h
index 74af4f733..3a5014a2f 100644
--- a/src/claimtrie/sqlite.h
+++ b/src/claimtrie/sqlite.h
@@ -10,19 +10,19 @@
 
  namespace sqlite
 {
-    inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const CUint160& val) {
+    inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const uint160& val) {
         return sqlite3_bind_blob(stmt, inx, val.begin(), int(val.size()), SQLITE_STATIC);
     }
 
-    inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const CUint256& val) {
+    inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const uint256& val) {
         return sqlite3_bind_blob(stmt, inx, val.begin(), int(val.size()), SQLITE_STATIC);
     }
 
-    inline void store_result_in_db(sqlite3_context* db, const CUint160& val) {
+    inline void store_result_in_db(sqlite3_context* db, const uint160& val) {
         sqlite3_result_blob(db, val.begin(), int(val.size()), SQLITE_TRANSIENT);
     }
 
-    inline void store_result_in_db(sqlite3_context* db, const CUint256& val) {
+    inline void store_result_in_db(sqlite3_context* db, const uint256& val) {
         sqlite3_result_blob(db, val.begin(), int(val.size()), SQLITE_TRANSIENT);
     }
 }
@@ -31,11 +31,14 @@
 
 namespace sqlite
 {
+    template<>
+    struct has_sqlite_type<uint256, SQLITE_BLOB, void> : std::true_type {};
 
     template<>
-    struct has_sqlite_type<CUint160, SQLITE_BLOB, void> : std::true_type {};
-    inline CUint160 get_col_from_db(sqlite3_stmt* stmt, int inx, result_type<CUint160>) {
-        CUint160 ret;
+    struct has_sqlite_type<uint160, SQLITE_BLOB, void> : std::true_type {};
+
+    inline uint160 get_col_from_db(sqlite3_stmt* stmt, int inx, result_type<uint160>) {
+        uint160 ret;
         auto ptr = sqlite3_column_blob(stmt, inx);
         if (!ptr) return ret;
         int bytes = sqlite3_column_bytes(stmt, inx);
@@ -44,10 +47,8 @@ namespace sqlite
         return ret;
     }
 
-    template<>
-    struct has_sqlite_type<CUint256, SQLITE_BLOB, void> : std::true_type {};
-    inline CUint256 get_col_from_db(sqlite3_stmt* stmt, int inx, result_type<CUint256>) {
-        CUint256 ret;
+    inline uint256 get_col_from_db(sqlite3_stmt* stmt, int inx, result_type<uint256>) {
+        uint256 ret;
         auto ptr = sqlite3_column_blob(stmt, inx);
         if (!ptr) return ret;
         int bytes = sqlite3_column_bytes(stmt, inx);
diff --git a/src/claimtrie/trie.cpp b/src/claimtrie/trie.cpp
index 6fe09a347..26e9d1816 100644
--- a/src/claimtrie/trie.cpp
+++ b/src/claimtrie/trie.cpp
@@ -10,7 +10,7 @@
 
 #define logPrint CLogPrint::global()
 
-static const auto one = CUint256S("0000000000000000000000000000000000000000000000000000000000000001");
+static const auto one = uint256S("0000000000000000000000000000000000000000000000000000000000000001");
 
 std::vector<unsigned char> heightToVch(int n)
 {
@@ -22,7 +22,7 @@ std::vector<unsigned char> heightToVch(int n)
     return vchHeight;
 }
 
-CUint256 getValueHash(const CTxOutPoint& outPoint, int nHeightOfLastTakeover)
+uint256 getValueHash(const COutPoint& outPoint, int nHeightOfLastTakeover)
 {
     auto hash1 = Hash(outPoint.hash.begin(), outPoint.hash.end());
     auto snOut = std::to_string(outPoint.n);
@@ -134,7 +134,7 @@ bool CClaimTrie::empty()
     return count == 0;
 }
 
-bool CClaimTrieCacheBase::haveClaim(const std::string& name, const CTxOutPoint& outPoint) const
+bool CClaimTrieCacheBase::haveClaim(const std::string& name, const COutPoint& outPoint) const
 {
     auto query = db << "SELECT 1 FROM claim WHERE nodeName = ?1 AND txID = ?2 AND txN = ?3 "
                         "AND activationHeight < ?4 AND expirationHeight >= ?4 LIMIT 1"
@@ -142,7 +142,7 @@ bool CClaimTrieCacheBase::haveClaim(const std::string& name, const CTxOutPoint&
     return query.begin() != query.end();
 }
 
-bool CClaimTrieCacheBase::haveSupport(const std::string& name, const CTxOutPoint& outPoint) const
+bool CClaimTrieCacheBase::haveSupport(const std::string& name, const COutPoint& outPoint) const
 {
     auto query = db << "SELECT 1 FROM support WHERE nodeName = ?1 AND txID = ?2 AND txN = ?3 "
                         "AND activationHeight < ?4 AND expirationHeight >= ?4 LIMIT 1"
@@ -165,7 +165,7 @@ supportEntryType CClaimTrieCacheBase::getSupportsForName(const std::string& name
     return ret;
 }
 
-bool CClaimTrieCacheBase::haveClaimInQueue(const std::string& name, const CTxOutPoint& outPoint, int& nValidAtHeight) const
+bool CClaimTrieCacheBase::haveClaimInQueue(const std::string& name, const COutPoint& outPoint, int& nValidAtHeight) const
 {
     auto query = db << "SELECT activationHeight FROM claim WHERE nodeName = ? AND txID = ? AND txN = ? "
                         "AND activationHeight >= ? AND expirationHeight >= activationHeight LIMIT 1"
@@ -177,7 +177,7 @@ bool CClaimTrieCacheBase::haveClaimInQueue(const std::string& name, const CTxOut
     return false;
 }
 
-bool CClaimTrieCacheBase::haveSupportInQueue(const std::string& name, const CTxOutPoint& outPoint, int& nValidAtHeight) const
+bool CClaimTrieCacheBase::haveSupportInQueue(const std::string& name, const COutPoint& outPoint, int& nValidAtHeight) const
 {
     auto query = db << "SELECT activationHeight FROM support WHERE nodeName = ? AND txID = ? AND txN = ? "
                         "AND activationHeight >= ? AND expirationHeight >= activationHeight LIMIT 1"
@@ -364,7 +364,7 @@ bool CClaimTrieCacheBase::getInfoForName(const std::string& name, CClaimValue& c
 
 CClaimSupportToName CClaimTrieCacheBase::getClaimsForName(const std::string& name) const
 {
-    CUint160 claimId;
+    uint160 claimId;
     int nLastTakeoverHeight = 0;
     getLastTakeoverForName(name, claimId, nLastTakeoverHeight);
 
@@ -399,18 +399,18 @@ CClaimSupportToName CClaimTrieCacheBase::getClaimsForName(const std::string& nam
     return {name, nLastTakeoverHeight, std::move(claimsNsupports), std::move(supports)};
 }
 
-void completeHash(CUint256& partialHash, const std::string& key, int to)
+void completeHash(uint256& partialHash, const std::string& key, int to)
 {
     for (auto it = key.rbegin(); std::distance(it, key.rend()) > to + 1; ++it)
         partialHash = Hash(it, it + 1, partialHash.begin(), partialHash.end());
 }
 
-CUint256 CClaimTrieCacheBase::computeNodeHash(const std::string& name, int takeoverHeight)
+uint256 CClaimTrieCacheBase::computeNodeHash(const std::string& name, int takeoverHeight)
 {
     const auto pos = name.size();
     std::vector<uint8_t> vchToHash;
     // we have to free up the hash query so it can be reused by a child
-    childHashQuery << name >> [&vchToHash, pos](std::string name, CUint256 hash) {
+    childHashQuery << name >> [&vchToHash, pos](std::string name, uint256 hash) {
         completeHash(hash, name, pos);
         vchToHash.push_back(name[pos]);
         vchToHash.insert(vchToHash.end(), hash.begin(), hash.end());
@@ -435,7 +435,7 @@ bool CClaimTrieCacheBase::checkConsistency()
                         "FROM takeover t WHERE t.name = n.name ORDER BY t.height DESC LIMIT 1), 0) FROM node n";
     for (auto&& row: query) {
         std::string name;
-        CUint256 hash;
+        uint256 hash;
         int takeoverHeight;
         row >> name >> hash >> takeoverHeight;
         auto computedHash = computeNodeHash(name, takeoverHeight);
@@ -445,7 +445,7 @@ bool CClaimTrieCacheBase::checkConsistency()
     return true;
 }
 
-bool CClaimTrieCacheBase::validateDb(int height, const CUint256& rootHash)
+bool CClaimTrieCacheBase::validateDb(int height, const uint256& rootHash)
 {
     base->nNextHeight = nNextHeight = height + 1;
 
@@ -523,12 +523,12 @@ int CClaimTrieCacheBase::expirationTime() const
     return base->nOriginalClaimExpirationTime;
 }
 
-CUint256 CClaimTrieCacheBase::getMerkleHash()
+uint256 CClaimTrieCacheBase::getMerkleHash()
 {
     ensureTreeStructureIsUpToDate();
-    CUint256 hash;
+    uint256 hash;
     db  << "SELECT hash FROM node WHERE name = x''"
-        >> [&hash](std::unique_ptr<CUint256> rootHash) {
+        >> [&hash](std::unique_ptr<uint256> rootHash) {
             if (rootHash)
                 hash = std::move(*rootHash);
         };
@@ -547,13 +547,13 @@ CUint256 CClaimTrieCacheBase::getMerkleHash()
     return hash;
 }
 
-bool CClaimTrieCacheBase::getLastTakeoverForName(const std::string& name, CUint160& claimId, int& takeoverHeight) const
+bool CClaimTrieCacheBase::getLastTakeoverForName(const std::string& name, uint160& claimId, int& takeoverHeight) const
 {
     auto query = db << "SELECT t.height, t.claimID FROM takeover t "
                        "WHERE t.name = ?1 ORDER BY t.height DESC LIMIT 1" << name;
     auto it = query.begin();
     if (it != query.end()) {
-        std::unique_ptr<CUint160> claimIdOrNull;
+        std::unique_ptr<uint160> claimIdOrNull;
         *it >> takeoverHeight >> claimIdOrNull;
         if (claimIdOrNull) {
             claimId = *claimIdOrNull;
@@ -563,7 +563,7 @@ bool CClaimTrieCacheBase::getLastTakeoverForName(const std::string& name, CUint1
     return false;
 }
 
-bool CClaimTrieCacheBase::addClaim(const std::string& name, const CTxOutPoint& outPoint, const CUint160& claimId,
+bool CClaimTrieCacheBase::addClaim(const std::string& name, const COutPoint& outPoint, const uint160& claimId,
         int64_t nAmount, int nHeight, int nValidHeight)
 {
     ensureTransacting();
@@ -595,7 +595,7 @@ bool CClaimTrieCacheBase::addClaim(const std::string& name, const CTxOutPoint& o
     return true;
 }
 
-bool CClaimTrieCacheBase::addSupport(const std::string& name, const CTxOutPoint& outPoint, const CUint160& supportedClaimId,
+bool CClaimTrieCacheBase::addSupport(const std::string& name, const COutPoint& outPoint, const uint160& supportedClaimId,
         int64_t nAmount, int nHeight, int nValidHeight)
 {
     ensureTransacting();
@@ -616,7 +616,7 @@ bool CClaimTrieCacheBase::addSupport(const std::string& name, const CTxOutPoint&
     return true;
 }
 
-bool CClaimTrieCacheBase::removeClaim(const CUint160& claimId, const CTxOutPoint& outPoint, std::string& nodeName, int& validHeight)
+bool CClaimTrieCacheBase::removeClaim(const uint160& claimId, const COutPoint& outPoint, std::string& nodeName, int& validHeight)
 {
     ensureTransacting();
 
@@ -668,7 +668,7 @@ bool CClaimTrieCacheBase::removeClaim(const CUint160& claimId, const CTxOutPoint
     return true;
 }
 
-bool CClaimTrieCacheBase::removeSupport(const CTxOutPoint& outPoint, std::string& nodeName, int& validHeight)
+bool CClaimTrieCacheBase::removeSupport(const COutPoint& outPoint, std::string& nodeName, int& validHeight)
 {
     ensureTransacting();
 
@@ -715,7 +715,7 @@ bool CClaimTrieCacheBase::incrementBlock()
         CClaimValue candidateValue;
         auto hasCandidate = getInfoForName(nameWithTakeover, candidateValue, 1);
         // now that they're all in get the winner:
-        CUint160 existingID;
+        uint160 existingID;
         int existingHeight = 0;
         auto hasCurrentWinner = getLastTakeoverForName(nameWithTakeover, existingID, existingHeight);
         // we have a takeover if we had a winner and its changing or we never had a winner
@@ -799,9 +799,9 @@ bool CClaimTrieCacheBase::finalizeDecrement()
     return true;
 }
 
-int CClaimTrieCacheBase::getDelayForName(const std::string& name, const CUint160& claimId) const
+int CClaimTrieCacheBase::getDelayForName(const std::string& name, const uint160& claimId) const
 {
-    CUint160 winningClaimId;
+    uint160 winningClaimId;
     int winningTakeoverHeight;
     auto hasCurrentWinner = getLastTakeoverForName(name, winningClaimId, winningTakeoverHeight);
     if (hasCurrentWinner && winningClaimId == claimId) {
@@ -824,7 +824,7 @@ std::string CClaimTrieCacheBase::adjustNameForValidHeight(const std::string& nam
     return name;
 }
 
-bool CClaimTrieCacheBase::getProofForName(const std::string& name, const CUint160& finalClaim, CClaimTrieProof& proof)
+bool CClaimTrieCacheBase::getProofForName(const std::string& name, const uint160& finalClaim, CClaimTrieProof& proof)
 {
     // cache the parent nodes
     getMerkleHash();
@@ -835,25 +835,25 @@ bool CClaimTrieCacheBase::getProofForName(const std::string& name, const CUint16
         int takeoverHeight;
         row >> key >> takeoverHeight;
         bool fNodeHasValue = getInfoForName(key, claim);
-        CUint256 valueHash;
+        uint256 valueHash;
         if (fNodeHasValue)
             valueHash = getValueHash(claim.outPoint, takeoverHeight);
 
         const auto pos = key.size();
-        std::vector<std::pair<unsigned char, CUint256>> children;
+        std::vector<std::pair<unsigned char, uint256>> children;
         for (auto&& child : childHashQuery << key) {
             std::string childKey;
-            CUint256 hash;
+            uint256 hash;
             child >> childKey >> hash;
             if (name.find(childKey) == 0) {
                 for (auto i = pos; i + 1 < childKey.size(); ++i) {
-                    children.emplace_back(childKey[i], CUint256{});
+                    children.emplace_back(childKey[i], uint256{});
                     proof.nodes.emplace_back(children, fNodeHasValue, valueHash);
                     children.clear();
                     valueHash.SetNull();
                     fNodeHasValue = false;
                 }
-                children.emplace_back(childKey.back(), CUint256{});
+                children.emplace_back(childKey.back(), uint256{});
                 continue;
             }
             completeHash(hash, childKey, pos);
@@ -897,8 +897,8 @@ void CClaimTrieCacheBase::getNamesInTrie(std::function<void(const std::string&)>
         };
 }
 
-std::vector<CUint160> CClaimTrieCacheBase::getActivatedClaims(int height) {
-    std::vector<CUint160> ret;
+std::vector<uint160> CClaimTrieCacheBase::getActivatedClaims(int height) {
+    std::vector<uint160> ret;
     auto query = db << "SELECT DISTINCT claimID FROM claim WHERE activationHeight = ?1 AND blockHeight < ?1" << height;
     for (auto&& row: query) {
         ret.emplace_back();
@@ -906,8 +906,8 @@ std::vector<CUint160> CClaimTrieCacheBase::getActivatedClaims(int height) {
     }
     return ret;
 }
-std::vector<CUint160> CClaimTrieCacheBase::getClaimsWithActivatedSupports(int height) {
-    std::vector<CUint160> ret;
+std::vector<uint160> CClaimTrieCacheBase::getClaimsWithActivatedSupports(int height) {
+    std::vector<uint160> ret;
     auto query = db << "SELECT DISTINCT supportedClaimID FROM support WHERE activationHeight = ?1 AND blockHeight < ?1" << height;
     for (auto&& row: query) {
         ret.emplace_back();
@@ -915,8 +915,8 @@ std::vector<CUint160> CClaimTrieCacheBase::getClaimsWithActivatedSupports(int he
     }
     return ret;
 }
-std::vector<CUint160> CClaimTrieCacheBase::getExpiredClaims(int height) {
-    std::vector<CUint160> ret;
+std::vector<uint160> CClaimTrieCacheBase::getExpiredClaims(int height) {
+    std::vector<uint160> ret;
     auto query = db << "SELECT DISTINCT claimID FROM claim WHERE expirationHeight = ?1 AND blockHeight < ?1" << height;
     for (auto&& row: query) {
         ret.emplace_back();
@@ -924,12 +924,12 @@ std::vector<CUint160> CClaimTrieCacheBase::getExpiredClaims(int height) {
     }
     return ret;
 }
-std::vector<CUint160> CClaimTrieCacheBase::getClaimsWithExpiredSupports(int height) {
-    std::vector<CUint160> ret;
+std::vector<uint160> CClaimTrieCacheBase::getClaimsWithExpiredSupports(int height) {
+    std::vector<uint160> ret;
     auto query = db << "SELECT DISTINCT supportedClaimID FROM support WHERE expirationHeight = ?1 AND blockHeight < ?1" << height;
     for (auto&& row: query) {
         ret.emplace_back();
         row >> ret.back();
     }
     return ret;
-}
\ No newline at end of file
+}
diff --git a/src/claimtrie/trie.h b/src/claimtrie/trie.h
index e5ff1bb15..5358678b4 100644
--- a/src/claimtrie/trie.h
+++ b/src/claimtrie/trie.h
@@ -13,7 +13,7 @@
 #include <unordered_set>
 #include <utility>
 
-CUint256 getValueHash(const CTxOutPoint& outPoint, int nHeightOfLastTakeover);
+uint256 getValueHash(const COutPoint& outPoint, int nHeightOfLastTakeover);
 
 class CClaimTrie
 {
@@ -64,27 +64,27 @@ public:
 
     bool flush();
     bool checkConsistency();
-    CUint256 getMerkleHash();
-    bool validateDb(int height, const CUint256& rootHash);
+    uint256 getMerkleHash();
+    bool validateDb(int height, const uint256& rootHash);
 
     std::size_t getTotalNamesInTrie() const;
     std::size_t getTotalClaimsInTrie() const;
     int64_t getTotalValueOfClaimsInTrie(bool fControllingOnly) const;
 
-    bool haveClaim(const std::string& name, const CTxOutPoint& outPoint) const;
-    bool haveClaimInQueue(const std::string& name, const CTxOutPoint& outPoint, int& nValidAtHeight) const;
+    bool haveClaim(const std::string& name, const COutPoint& outPoint) const;
+    bool haveClaimInQueue(const std::string& name, const COutPoint& outPoint, int& nValidAtHeight) const;
 
-    bool haveSupport(const std::string& name, const CTxOutPoint& outPoint) const;
-    bool haveSupportInQueue(const std::string& name, const CTxOutPoint& outPoint, int& nValidAtHeight) const;
+    bool haveSupport(const std::string& name, const COutPoint& outPoint) const;
+    bool haveSupportInQueue(const std::string& name, const COutPoint& outPoint, int& nValidAtHeight) const;
 
-    bool addClaim(const std::string& name, const CTxOutPoint& outPoint, const CUint160& claimId, int64_t nAmount,
+    bool addClaim(const std::string& name, const COutPoint& outPoint, const uint160& claimId, int64_t nAmount,
                   int nHeight, int nValidHeight = -1);
 
-    bool addSupport(const std::string& name, const CTxOutPoint& outPoint, const CUint160& supportedClaimId, int64_t nAmount,
+    bool addSupport(const std::string& name, const COutPoint& outPoint, const uint160& supportedClaimId, int64_t nAmount,
                     int nHeight, int nValidHeight = -1);
 
-    bool removeClaim(const CUint160& claimId, const CTxOutPoint& outPoint, std::string& nodeName, int& validHeight);
-    bool removeSupport(const CTxOutPoint& outPoint, std::string& nodeName, int& validHeight);
+    bool removeClaim(const uint160& claimId, const COutPoint& outPoint, std::string& nodeName, int& validHeight);
+    bool removeSupport(const COutPoint& outPoint, std::string& nodeName, int& validHeight);
 
     virtual bool incrementBlock();
     virtual bool decrementBlock();
@@ -92,20 +92,20 @@ public:
 
     virtual int expirationTime() const;
 
-    virtual bool getProofForName(const std::string& name, const CUint160& claim, CClaimTrieProof& proof);
+    virtual bool getProofForName(const std::string& name, const uint160& claim, CClaimTrieProof& proof);
     virtual bool getInfoForName(const std::string& name, CClaimValue& claim, int heightOffset = 0) const;
 
     virtual CClaimSupportToName getClaimsForName(const std::string& name) const;
     virtual std::string adjustNameForValidHeight(const std::string& name, int validHeight) const;
 
     void getNamesInTrie(std::function<void(const std::string&)> callback) const;
-    bool getLastTakeoverForName(const std::string& name, CUint160& claimId, int& takeoverHeight) const;
+    bool getLastTakeoverForName(const std::string& name, uint160& claimId, int& takeoverHeight) const;
     bool findNameForClaim(std::vector<unsigned char> claim, CClaimValue& value, std::string& name) const;
 
-    std::vector<CUint160> getActivatedClaims(int height);
-    std::vector<CUint160> getClaimsWithActivatedSupports(int height);
-    std::vector<CUint160> getExpiredClaims(int height);
-    std::vector<CUint160> getClaimsWithExpiredSupports(int height);
+    std::vector<uint160> getActivatedClaims(int height);
+    std::vector<uint160> getClaimsWithActivatedSupports(int height);
+    std::vector<uint160> getExpiredClaims(int height);
+    std::vector<uint160> getClaimsWithExpiredSupports(int height);
 
 protected:
     int nNextHeight; // Height of the block that is being worked on, which is
@@ -115,10 +115,10 @@ protected:
 
     mutable sqlite::database_binder claimHashQuery, childHashQuery, claimHashQueryLimit;
 
-    virtual CUint256 computeNodeHash(const std::string& name, int takeoverHeight);
+    virtual uint256 computeNodeHash(const std::string& name, int takeoverHeight);
     supportEntryType getSupportsForName(const std::string& name) const;
 
-    virtual int getDelayForName(const std::string& name, const CUint160& claimId) const;
+    virtual int getDelayForName(const std::string& name, const uint160& claimId) const;
 
     bool deleteNodeIfPossible(const std::string& name, std::string& parent, int64_t& claims);
     void ensureTreeStructureIsUpToDate();
diff --git a/src/claimtrie/txoutpoint.cpp b/src/claimtrie/txoutpoint.cpp
index 2a514845c..1a16b1c49 100644
--- a/src/claimtrie/txoutpoint.cpp
+++ b/src/claimtrie/txoutpoint.cpp
@@ -3,40 +3,40 @@
 
 #include <sstream>
 
-CTxOutPoint::CTxOutPoint(CUint256 hashIn, uint32_t nIn) : hash(std::move(hashIn)), n(nIn)
+COutPoint::COutPoint(uint256 hashIn, uint32_t nIn) : hash(std::move(hashIn)), n(nIn)
 {
 }
 
-void CTxOutPoint::SetNull()
+void COutPoint::SetNull()
 {
     hash.SetNull();
     n = uint32_t(-1);
 }
 
-bool CTxOutPoint::IsNull() const
+bool COutPoint::IsNull() const
 {
     return hash.IsNull() && n == uint32_t(-1);
 }
 
-bool CTxOutPoint::operator<(const CTxOutPoint& b) const
+bool COutPoint::operator<(const COutPoint& b) const
 {
     int cmp = hash.Compare(b.hash);
     return cmp < 0 || (cmp == 0 && n < b.n);
 }
 
-bool CTxOutPoint::operator==(const CTxOutPoint& b) const
+bool COutPoint::operator==(const COutPoint& b) const
 {
     return hash == b.hash && n == b.n;
 }
 
-bool CTxOutPoint::operator!=(const CTxOutPoint& b) const
+bool COutPoint::operator!=(const COutPoint& b) const
 {
     return !(*this == b);
 }
 
-std::string CTxOutPoint::ToString() const
+std::string COutPoint::ToString() const
 {
     std::stringstream ss;
-    ss << "CTxOutPoint(" << hash.ToString().substr(0, 10) << ", " << n << ')';
+    ss << "COutPoint(" << hash.ToString().substr(0, 10) << ", " << n << ')';
     return ss.str();
 }
diff --git a/src/claimtrie/txoutpoint.h b/src/claimtrie/txoutpoint.h
index 3a3755472..2398c97dc 100644
--- a/src/claimtrie/txoutpoint.h
+++ b/src/claimtrie/txoutpoint.h
@@ -11,26 +11,26 @@
 #include <utility>
 
 /** An outpoint - a combination of a transaction hash and an index n into its vout */
-class CTxOutPoint
+class COutPoint
 {
 public:
-    CUint256 hash;
+    uint256 hash;
     uint32_t n = uint32_t(-1);
 
-    CTxOutPoint() = default;
-    CTxOutPoint(CTxOutPoint&&) = default;
-    CTxOutPoint(const CTxOutPoint&) = default;
-    CTxOutPoint(CUint256 hashIn, uint32_t nIn);
+    COutPoint() = default;
+    COutPoint(COutPoint&&) = default;
+    COutPoint(const COutPoint&) = default;
+    COutPoint(uint256 hashIn, uint32_t nIn);
 
-    CTxOutPoint& operator=(CTxOutPoint&&) = default;
-    CTxOutPoint& operator=(const CTxOutPoint&) = default;
+    COutPoint& operator=(COutPoint&&) = default;
+    COutPoint& operator=(const COutPoint&) = default;
 
     void SetNull();
     bool IsNull() const;
 
-    bool operator<(const CTxOutPoint& b) const;
-    bool operator==(const CTxOutPoint& b) const;
-    bool operator!=(const CTxOutPoint& b) const;
+    bool operator<(const COutPoint& b) const;
+    bool operator==(const COutPoint& b) const;
+    bool operator!=(const COutPoint& b) const;
 
     std::string ToString() const;
 };
diff --git a/src/claimtrie/uints.cpp b/src/claimtrie/uints.cpp
index 016b1cf2e..169cc726f 100644
--- a/src/claimtrie/uints.cpp
+++ b/src/claimtrie/uints.cpp
@@ -1,173 +1,34 @@
 
 #include <uints.h>
 
-#include <algorithm>
-#include <cassert>
-#include <cstring>
-#include <iomanip>
-#include <sstream>
-
-/** Template base class for fixed-sized opaque blobs. */
-template<uint32_t BITS>
-CBaseBlob<BITS>::CBaseBlob() : data(std::make_unique<uint8_t[]>(WIDTH))
+uint160::uint160(const std::vector<uint8_t>& vec) : CBaseBlob<160>(vec)
 {
-    SetNull();
 }
 
-template<uint32_t BITS>
-CBaseBlob<BITS>::CBaseBlob(const std::vector<uint8_t>& vec) : data(std::make_unique<uint8_t[]>(WIDTH))
+uint256::uint256(const std::vector<uint8_t>& vec) : CBaseBlob<256>(vec)
 {
-    assert(vec.size() == size());
-    std::copy(vec.begin(), vec.end(), begin());
 }
 
-template<uint32_t BITS>
-CBaseBlob<BITS>::CBaseBlob(const CBaseBlob& o) : data(std::make_unique<uint8_t[]>(WIDTH))
+uint160 uint160S(const char* str)
 {
-    *this = o;
-}
-
-template<uint32_t BITS>
-CBaseBlob<BITS>& CBaseBlob<BITS>::operator=(const CBaseBlob& o)
-{
-    if (this != &o)
-        std::copy(o.begin(), o.end(), begin());
-    return *this;
-}
-
-template<uint32_t BITS>
-bool CBaseBlob<BITS>::IsNull() const
-{
-    return std::all_of(begin(), end(), [](uint8_t e) { return e == 0; });
-}
-
-template<uint32_t BITS>
-void CBaseBlob<BITS>::SetNull()
-{
-    std::memset(begin(), 0, size());
-}
-
-template<uint32_t BITS>
-int CBaseBlob<BITS>::Compare(const CBaseBlob& other) const
-{
-    return std::memcmp(begin(), other.begin(), size());
-}
-
-template<uint32_t BITS>
-bool CBaseBlob<BITS>::operator==(const CBaseBlob& b) const
-{
-    return Compare(b) == 0;
-}
-
-template<uint32_t BITS>
-bool CBaseBlob<BITS>::operator!=(const CBaseBlob& b) const
-{
-    return Compare(b) != 0;
-}
-
-template<uint32_t BITS>
-bool CBaseBlob<BITS>::operator<(const CBaseBlob& b) const
-{
-    return Compare(b) < 0;
-}
-
-template<uint32_t BITS>
-std::string CBaseBlob<BITS>::GetHex() const
-{
-    std::stringstream ss;
-    ss << std::hex;
-    for (int i = WIDTH - 1; i >= 0; --i)
-        ss << std::setw(2) << std::setfill('0') << uint32_t(data[i]);
-    return ss.str();
-}
-
-template<uint32_t BITS>
-void CBaseBlob<BITS>::SetHex(const char* psz)
-{
-    SetNull();
-
-    // skip leading spaces
-    while (isspace(*psz))
-        psz++;
-
-    // skip 0x
-    if (psz[0] == '0' && tolower(psz[1]) == 'x')
-        psz += 2;
-
-    auto b = psz;
-    // advance to end
-    while (isxdigit(*psz))
-        psz++;
-
-    --psz;
-    char buf[3] = {};
-    auto it = begin();
-    while (psz >= b && it != end()) {
-        buf[1] = *psz--;
-        buf[0] = psz >= b ? *psz-- : '0';
-        *it++ = std::strtoul(buf, nullptr, 16);
-    }
-}
-
-template<uint32_t BITS>
-void CBaseBlob<BITS>::SetHex(const std::string& str)
-{
-    SetHex(str.c_str());
-}
-
-template<uint32_t BITS>
-std::string CBaseBlob<BITS>::ToString() const
-{
-    return GetHex();
-}
-
-template<uint32_t BITS>
-uint8_t* CBaseBlob<BITS>::begin()
-{
-    return data.get();
-}
-
-template<uint32_t BITS>
-uint8_t* CBaseBlob<BITS>::end()
-{
-    return begin() + WIDTH;
-}
-
-template<uint32_t BITS>
-const uint8_t* CBaseBlob<BITS>::begin() const
-{
-    return data.get();
-}
-
-template<uint32_t BITS>
-const uint8_t* CBaseBlob<BITS>::end() const
-{
-    return begin() + WIDTH;
-}
-
-CUint160 CUint160S(const char* str)
-{
-    CUint160 s;
+    uint160 s;
     s.SetHex(str);
     return s;
 }
 
-CUint160 CUint160S(const std::string& s)
+uint160 uint160S(const std::string& s)
 {
-    return CUint160S(s.c_str());
+    return uint160S(s.c_str());
 }
 
-CUint256 CUint256S(const char* str)
+uint256 uint256S(const char* str)
 {
-    CUint256 s;
+    uint256 s;
     s.SetHex(str);
     return s;
 }
 
-CUint256 CUint256S(const std::string& s)
+uint256 uint256S(const std::string& s)
 {
-    return CUint256S(s.c_str());
+    return uint256S(s.c_str());
 }
-
-template class CBaseBlob<160>;
-template class CBaseBlob<256>;
diff --git a/src/claimtrie/uints.h b/src/claimtrie/uints.h
index 525d8c8d5..5edf1d052 100644
--- a/src/claimtrie/uints.h
+++ b/src/claimtrie/uints.h
@@ -2,59 +2,41 @@
 #ifndef CLAIMTRIE_UINTS_H
 #define CLAIMTRIE_UINTS_H
 
-#include <memory>
+#include <blob.h>
 #include <string>
-#include <vector>
 
-/** Template base class for fixed-sized opaque blobs. */
-template<uint32_t BITS>
-class CBaseBlob
+class uint160 : public CBaseBlob<160>
 {
-protected:
-    static constexpr uint32_t WIDTH = BITS / 8;
-    std::unique_ptr<uint8_t[]> data;
 public:
-    CBaseBlob();
+    uint160() = default;
 
-    explicit CBaseBlob(const std::vector<uint8_t>& vec);
+    explicit uint160(const std::vector<uint8_t>& vec);
 
-    CBaseBlob(CBaseBlob&&) = default;
-    CBaseBlob& operator=(CBaseBlob&&) = default;
+    uint160(uint160&&) = default;
+    uint160& operator=(uint160&&) = default;
 
-    CBaseBlob(const CBaseBlob& o);
-    CBaseBlob& operator=(const CBaseBlob& o);
-
-    bool IsNull() const;
-    void SetNull();
-
-    int Compare(const CBaseBlob& other) const;
-
-    bool operator==(const CBaseBlob& b) const;
-    bool operator!=(const CBaseBlob& b) const;
-    bool operator<(const CBaseBlob& b) const;
-
-    std::string GetHex() const;
-    void SetHex(const char* psz);
-    void SetHex(const std::string& str);
-
-    std::string ToString() const;
-
-    uint8_t* begin();
-    uint8_t* end();
-
-    const uint8_t* begin() const;
-    const uint8_t* end() const;
-
-    static constexpr uint32_t size() { return WIDTH; }
+    uint160(const uint160&) = default;
+    uint160& operator=(const uint160&) = default;
 };
 
-typedef CBaseBlob<160> CUint160;
-typedef CBaseBlob<256> CUint256;
+class uint256 : public CBaseBlob<256>
+{
+public:
+    uint256() = default;
 
-CUint160 CUint160S(const char* str);
-CUint160 CUint160S(const std::string& s);
+    explicit uint256(const std::vector<uint8_t>& vec);
 
-CUint256 CUint256S(const char* str);
-CUint256 CUint256S(const std::string& s);
+    uint256(uint256&&) = default;
+    uint256& operator=(uint256&&) = default;
+
+    uint256(const uint256&) = default;
+    uint256& operator=(const uint256&) = default;
+};
+
+uint160 uint160S(const char* str);
+uint160 uint160S(const std::string& s);
+
+uint256 uint256S(const char* str);
+uint256 uint256S(const std::string& s);
 
 #endif // CLAIMTRIE_UINTS_H
diff --git a/src/claimtrie_serial.h b/src/claimtrie_serial.h
index 60599f167..638bdb7e4 100644
--- a/src/claimtrie_serial.h
+++ b/src/claimtrie_serial.h
@@ -6,27 +6,39 @@
 #include <claimtrie/txoutpoint.h>
 #include <claimtrie/uints.h>
 
-template<typename Stream, uint32_t BITS>
-void Serialize(Stream& s, const CBaseBlob<BITS>& u)
+template<typename Stream>
+void Serialize(Stream& s, const uint160& u)
 {
     s.write((const char*)u.begin(), u.size());
 }
 
-template<typename Stream, uint32_t BITS>
-void Unserialize(Stream& s, CBaseBlob<BITS>& u)
+template<typename Stream>
+void Serialize(Stream& s, const uint256& u)
+{
+    s.write((const char*)u.begin(), u.size());
+}
+
+template<typename Stream>
+void Unserialize(Stream& s, uint160& u)
 {
     s.read((char*)u.begin(), u.size());
 }
 
 template<typename Stream>
-void Serialize(Stream& s, const CTxOutPoint& u)
+void Unserialize(Stream& s, uint256& u)
+{
+    s.read((char*)u.begin(), u.size());
+}
+
+template<typename Stream>
+void Serialize(Stream& s, const COutPoint& u)
 {
     Serialize(s, u.hash);
     Serialize(s, u.n);
 }
 
 template<typename Stream>
-void Unserialize(Stream& s, CTxOutPoint& u)
+void Unserialize(Stream& s, COutPoint& u)
 {
     Unserialize(s, u.hash);
     Unserialize(s, u.n);
diff --git a/src/miner.cpp b/src/miner.cpp
index 8b802ce72..3e2e9bcaf 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -200,7 +200,7 @@ std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& sc
     {
         CClaimTrieCache trieCache(pclaimTrie);
         blockToCache(pblock, trieCache, nHeight);
-        pblock->hashClaimTrie = uint256(trieCache.getMerkleHash());
+        pblock->hashClaimTrie = trieCache.getMerkleHash();
     }
     CValidationState state;
     if (!TestBlockValidity(state, chainparams, *pblock, pindexPrev, false, false)) {
diff --git a/src/primitives/transaction.cpp b/src/primitives/transaction.cpp
index 59865a5ea..ab08006d9 100644
--- a/src/primitives/transaction.cpp
+++ b/src/primitives/transaction.cpp
@@ -9,11 +9,6 @@
 #include <tinyformat.h>
 #include <utilstrencodings.h>
 
-std::string COutPoint::ToString() const
-{
-    return strprintf("COutPoint(%s, %u)", hash.ToString().substr(0,10), n);
-}
-
 CTxIn::CTxIn(COutPoint prevoutIn, CScript scriptSigIn, uint32_t nSequenceIn)
 {
     prevout = prevoutIn;
diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index 90b868161..23deab954 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -15,52 +15,6 @@
 
 static const int SERIALIZE_TRANSACTION_NO_WITNESS = 0x40000000;
 
-/** An outpoint - a combination of a transaction hash and an index n into its vout */
-class COutPoint
-{
-public:
-    uint256 hash;
-    uint32_t n;
-
-    COutPoint(): n((uint32_t) -1) { }
-    explicit COutPoint(const CTxOutPoint& c) : hash(c.hash), n(c.n) { }
-    COutPoint(const uint256& hashIn, uint32_t nIn): hash(hashIn), n(nIn) { }
-
-    ADD_SERIALIZE_METHODS;
-
-    template <typename Stream, typename Operation>
-    inline void SerializationOp(Stream& s, Operation ser_action) {
-        READWRITE(hash);
-        READWRITE(n);
-    }
-
-    void SetNull() { hash.SetNull(); n = (uint32_t) -1; }
-    bool IsNull() const { return (hash.IsNull() && n == (uint32_t) -1); }
-
-    friend bool operator<(const COutPoint& a, const COutPoint& b)
-    {
-        int cmp = a.hash.Compare(b.hash);
-        return cmp < 0 || (cmp == 0 && a.n < b.n);
-    }
-
-    friend bool operator==(const COutPoint& a, const COutPoint& b)
-    {
-        return (a.hash == b.hash && a.n == b.n);
-    }
-
-    friend bool operator!=(const COutPoint& a, const COutPoint& b)
-    {
-        return !(a == b);
-    }
-
-    std::string ToString() const;
-
-    operator CTxOutPoint() const
-    {
-        return CTxOutPoint{hash, n};
-    }
-};
-
 /** An input of a transaction.  It contains the location of the previous
  * transaction's output that it claims and a signature that matches the
  * output's public key.
diff --git a/src/pubkey.h b/src/pubkey.h
index 089324ffd..2f36507fe 100644
--- a/src/pubkey.h
+++ b/src/pubkey.h
@@ -22,6 +22,18 @@ class CKeyID : public uint160
 public:
     CKeyID() : uint160() {}
     explicit CKeyID(const uint160& in) : uint160(in) {}
+
+    template<typename Stream>
+    void Serialize(Stream& s) const
+    {
+        s.write((const char*)begin(), size());
+    }
+
+    template<typename Stream>
+    void Unserialize(Stream& s)
+    {
+        s.read((char*)begin(), size());
+    }
 };
 
 typedef uint256 ChainCode;
diff --git a/src/rpc/claimtrie.cpp b/src/rpc/claimtrie.cpp
index 7edfe0fa7..9034dbfdb 100644
--- a/src/rpc/claimtrie.cpp
+++ b/src/rpc/claimtrie.cpp
@@ -132,7 +132,7 @@ std::vector<CClaimNsupports> seqSort(const std::vector<CClaimNsupports>& source)
     return claimsNsupports;
 }
 
-std::size_t indexOf(const std::vector<CClaimNsupports>& source, const CUint160& claimId)
+std::size_t indexOf(const std::vector<CClaimNsupports>& source, const uint160& claimId)
 {
     auto it = std::find_if(source.begin(), source.end(), [&claimId](const CClaimNsupports& claimNsupports) {
         return claimNsupports.claim.claimId == claimId;
@@ -291,7 +291,7 @@ static UniValue getvalueforname(const JSONRPCRequest& request)
         return ret;
 
     auto& claimNsupports =
-        claimId.length() == claimIdHexLength ? csToName.find(CUint160S(claimId)) :
+        claimId.length() == claimIdHexLength ? csToName.find(uint160S(claimId)) :
         !claimId.empty() ? csToName.find(claimId) : csToName.claimsNsupports[0];
 
     if (claimNsupports.IsNull())
@@ -541,11 +541,11 @@ UniValue getclaimsfortx(const JSONRPCRequest& request)
         std::string sName(vvchParams[0].begin(), vvchParams[0].end());
         o.pushKV(T_NAME, escapeNonUtf8(sName));
         if (op == OP_CLAIM_NAME) {
-            CUint160 claimId = ClaimIdHash(hash, i);
+            uint160 claimId = ClaimIdHash(hash, i);
             o.pushKV(T_CLAIMID, claimId.GetHex());
             o.pushKV(T_VALUE, HexStr(vvchParams[1].begin(), vvchParams[1].end()));
         } else if (op == OP_UPDATE_CLAIM || op == OP_SUPPORT_CLAIM) {
-            CUint160 claimId(vvchParams[1]);
+            uint160 claimId(vvchParams[1]);
             o.pushKV(T_CLAIMID, claimId.GetHex());
             if (vvchParams.size() > 2)
                 o.pushKV(T_VALUE, HexStr(vvchParams[2].begin(), vvchParams[2].end()));
diff --git a/src/serialize.h b/src/serialize.h
index 848a7b6c2..393fd3981 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -10,7 +10,6 @@
 
 #include <algorithm>
 #include <assert.h>
-#include <claimtrie_serial.h>
 #include <ios>
 #include <limits>
 #include <map>
@@ -229,8 +228,7 @@ template<typename Stream> inline void Serialize(Stream& s, bool a)    { char f=a
 template<typename Stream> inline void Unserialize(Stream& s, bool& a) { char f=ser_readdata8(s); a=f; }
 
 
-
-
+#include <claimtrie_serial.h>
 
 
 /**
diff --git a/src/test/addrman_tests.cpp b/src/test/addrman_tests.cpp
index f57d0c6d7..81cd481a4 100644
--- a/src/test/addrman_tests.cpp
+++ b/src/test/addrman_tests.cpp
@@ -34,7 +34,8 @@ public:
 
     int RandomInt(int nMax) override
     {
-        state = (CHashWriter(SER_GETHASH, 0) << state).GetHash().GetCheapHash();
+        auto hash = (CHashWriter(SER_GETHASH, 0) << state).GetHash();
+        state = GetCheapHash(hash);
         return (unsigned int)(state % nMax);
     }
 
diff --git a/src/test/claimtriebranching_tests.cpp b/src/test/claimtriebranching_tests.cpp
index e69a2ac03..29cbb40da 100644
--- a/src/test/claimtriebranching_tests.cpp
+++ b/src/test/claimtriebranching_tests.cpp
@@ -31,7 +31,7 @@ BOOST_AUTO_TEST_CASE(takeover_stability_test) {
     CMutableTransaction tx2 = fixture.MakeClaim(fixture.GetCoinbase(), "@bass", "two", 2);
     fixture.IncrementBlocks(1);
     BOOST_CHECK(fixture.is_best_claim("@bass", tx2));
-    CUint160 id; int takeover;
+    uint160 id; int takeover;
     BOOST_REQUIRE(fixture.getLastTakeoverForName("@bass", id, takeover));
     auto height = chainActive.Tip()->nHeight;
     BOOST_CHECK_EQUAL(takeover, height);
@@ -427,7 +427,7 @@ BOOST_AUTO_TEST_CASE(claimtrie_update_takeover_test)
     CMutableTransaction tx1 = fixture.MakeClaim(fixture.GetCoinbase(), "test", "one", 5);
     auto cid = ClaimIdHash(tx1.GetHash(), 0);
     fixture.IncrementBlocks(1);
-    CUint160 cid2;
+    uint160 cid2;
     int takeover;
     int height = chainActive.Tip()->nHeight;
     fixture.getLastTakeoverForName("test", cid2, takeover);
@@ -1921,7 +1921,7 @@ BOOST_AUTO_TEST_CASE(update_on_support2_test)
     CMutableTransaction s2 = fixture.MakeSupport(fixture.GetCoinbase(), tx1, name, 1);
     fixture.IncrementBlocks(1);
 
-    CUint160 claimId;
+    uint160 claimId;
     int lastTakeover;
     BOOST_CHECK(fixture.getLastTakeoverForName(name, claimId, lastTakeover));
     BOOST_CHECK_EQUAL(lastTakeover, height + 1);
diff --git a/src/test/claimtriecache_tests.cpp b/src/test/claimtriecache_tests.cpp
index 299bfd026..30305e1c2 100644
--- a/src/test/claimtriecache_tests.cpp
+++ b/src/test/claimtriecache_tests.cpp
@@ -30,7 +30,7 @@ public:
         return addClaim(key, p, c, value.nAmount, value.nHeight);
     }
 
-    bool removeClaimFromTrie(const std::string& key, const CTxOutPoint& outPoint) {
+    bool removeClaimFromTrie(const std::string& key, const COutPoint& outPoint) {
         int validHeight;
         std::string nodeName;
 
@@ -51,7 +51,7 @@ public:
         return addSupport(key, p, value.supportedClaimId, value.nAmount, value.nHeight);
     }
 
-    bool removeSupportFromMap(const std::string& key, const CTxOutPoint& outPoint) {
+    bool removeSupportFromMap(const std::string& key, const COutPoint& outPoint) {
         int validHeight;
         std::string nodeName;
 
@@ -70,7 +70,7 @@ BOOST_FIXTURE_TEST_SUITE(claimtriecache_tests, RegTestingSetup)
 BOOST_AUTO_TEST_CASE(merkle_hash_single_test)
 {
     // check empty trie
-    auto one = CUint256S("0000000000000000000000000000000000000000000000000000000000000001");
+    auto one = uint256S("0000000000000000000000000000000000000000000000000000000000000001");
     CClaimTrieCacheTest cc(pclaimTrie);
     BOOST_CHECK_EQUAL(one, cc.getMerkleHash());
 
@@ -82,30 +82,30 @@ BOOST_AUTO_TEST_CASE(merkle_hash_single_test)
 BOOST_AUTO_TEST_CASE(merkle_hash_multiple_test)
 {
     auto hash0 = uint256S("0000000000000000000000000000000000000000000000000000000000000001");
-    CUint160 hash160;
+    uint160 hash160;
     CMutableTransaction tx1 = BuildTransaction(hash0);
-    CTxOutPoint tx1OutPoint(tx1.GetHash(), 0);
+    COutPoint tx1OutPoint(tx1.GetHash(), 0);
     CMutableTransaction tx2 = BuildTransaction(tx1.GetHash());
-    CTxOutPoint tx2OutPoint(tx2.GetHash(), 0);
+    COutPoint tx2OutPoint(tx2.GetHash(), 0);
     CMutableTransaction tx3 = BuildTransaction(tx2.GetHash());
-    CTxOutPoint tx3OutPoint(tx3.GetHash(), 0);
+    COutPoint tx3OutPoint(tx3.GetHash(), 0);
     CMutableTransaction tx4 = BuildTransaction(tx3.GetHash());
-    CTxOutPoint tx4OutPoint(tx4.GetHash(), 0);
+    COutPoint tx4OutPoint(tx4.GetHash(), 0);
     CMutableTransaction tx5 = BuildTransaction(tx4.GetHash());
-    CTxOutPoint tx5OutPoint(tx5.GetHash(), 0);
+    COutPoint tx5OutPoint(tx5.GetHash(), 0);
     CMutableTransaction tx6 = BuildTransaction(tx5.GetHash());
-    CTxOutPoint tx6OutPoint(tx6.GetHash(), 0);
+    COutPoint tx6OutPoint(tx6.GetHash(), 0);
 
-    CUint256 hash1;
+    uint256 hash1;
     hash1.SetHex("71c7b8d35b9a3d7ad9a1272b68972979bbd18589f1efe6f27b0bf260a6ba78fa");
 
-    CUint256 hash2;
+    uint256 hash2;
     hash2.SetHex("c4fc0e2ad56562a636a0a237a96a5f250ef53495c2cb5edd531f087a8de83722");
 
-    CUint256 hash3;
+    uint256 hash3;
     hash3.SetHex("baf52472bd7da19fe1e35116cfb3bd180d8770ffbe3ae9243df1fb58a14b0975");
 
-    CUint256 hash4;
+    uint256 hash4;
     hash4.SetHex("c73232a755bf015f22eaa611b283ff38100f2a23fb6222e86eca363452ba0c51");
 
     {
@@ -215,8 +215,8 @@ BOOST_AUTO_TEST_CASE(basic_insertion_info_test)
     // create and insert claim
     auto hash0 = uint256S("0000000000000000000000000000000000000000000000000000000000000001");
     CMutableTransaction tx1 = BuildTransaction(hash0);
-    CUint160 claimId = ClaimIdHash(tx1.GetHash(), 0);
-    CTxOutPoint claimOutPoint(tx1.GetHash(), 0);
+    uint160 claimId = ClaimIdHash(tx1.GetHash(), 0);
+    COutPoint claimOutPoint(tx1.GetHash(), 0);
     CAmount amount(10);
     int height = 0;
     int validHeight = 0;
@@ -239,7 +239,7 @@ BOOST_AUTO_TEST_CASE(basic_insertion_info_test)
     CAmount supportAmount(10);
     auto hash1 = uint256S("0000000000000000000000000000000000000000000000000000000000000002");
     CMutableTransaction tx2 = BuildTransaction(hash1);
-    CTxOutPoint supportOutPoint(tx2.GetHash(), 0);
+    COutPoint supportOutPoint(tx2.GetHash(), 0);
 
     CSupportValue support(supportOutPoint, claimId, supportAmount, height, validHeight);
     ctc.insertSupportIntoMap("test", support);
@@ -257,7 +257,7 @@ BOOST_AUTO_TEST_CASE(basic_insertion_info_test)
 //    CClaimTrieCacheTest cc(pclaimTrie);
 //    BOOST_CHECK_EQUAL(0, cc.getTotalClaimsInTrie());
 //
-//    CTxOutPoint outpoint;
+//    COutPoint outpoint;
 //    uint160 claimId;
 //    CAmount amount(20);
 //    int height = 0;
@@ -318,7 +318,7 @@ BOOST_AUTO_TEST_CASE(trie_stays_consistent_test)
 
     for (auto& name: names) {
         auto hash = Hash(name.begin(), name.end());
-        BOOST_CHECK(cache.removeClaimFromTrie(name, CTxOutPoint(hash, 0)));
+        BOOST_CHECK(cache.removeClaimFromTrie(name, COutPoint(hash, 0)));
         cache.flush();
         BOOST_CHECK(cache.checkConsistency());
     }
@@ -328,7 +328,7 @@ BOOST_AUTO_TEST_CASE(trie_stays_consistent_test)
 BOOST_AUTO_TEST_CASE(verify_basic_serialization)
 {
     CClaimValue cv;
-    cv.outPoint = CTxOutPoint(CUint256S("123"), 2);
+    cv.outPoint = COutPoint(uint256S("123"), 2);
     cv.nHeight = 3;
     cv.claimId.SetHex("4567");
     cv.nEffectiveAmount = 4;
diff --git a/src/test/claimtriefixture.cpp b/src/test/claimtriefixture.cpp
index b61117add..b7aa05794 100644
--- a/src/test/claimtriefixture.cpp
+++ b/src/test/claimtriefixture.cpp
@@ -404,7 +404,7 @@ boost::test_tools::predicate_result ClaimTrieChainFixture::best_claim_effective_
     return true;
 }
 
-bool ClaimTrieChainFixture::getClaimById(const CUint160 &claimId, std::string &name, CClaimValue &value)
+bool ClaimTrieChainFixture::getClaimById(const uint160 &claimId, std::string &name, CClaimValue &value)
 {
     auto query = db << "SELECT nodeName, claimID, txID, txN, amount, validHeight, blockHeight "
                        "FROM claim WHERE claimID = ?" << claimId;
diff --git a/src/test/claimtriefixture.h b/src/test/claimtriefixture.h
index dd010ee82..61274c3cb 100644
--- a/src/test/claimtriefixture.h
+++ b/src/test/claimtriefixture.h
@@ -103,7 +103,7 @@ struct ClaimTrieChainFixture: public CClaimTrieCache
 
     int proportionalDelayFactor() const;
 
-    bool getClaimById(const CUint160& claimId, std::string& name, CClaimValue& value);
+    bool getClaimById(const uint160& claimId, std::string& name, CClaimValue& value);
 
     // is a claim in queue
     boost::test_tools::predicate_result is_claim_in_queue(const std::string& name, const CTransaction &tx);
diff --git a/src/test/claimtriehashfork_tests.cpp b/src/test/claimtriehashfork_tests.cpp
index d37628a24..3be8d78d5 100644
--- a/src/test/claimtriehashfork_tests.cpp
+++ b/src/test/claimtriehashfork_tests.cpp
@@ -8,7 +8,7 @@
 
 using namespace std;
 
-void ValidatePairs(CClaimTrieCache& cache, const std::vector<std::pair<bool, CUint256>>& pairs, CUint256 claimHash)
+void ValidatePairs(CClaimTrieCache& cache, const std::vector<std::pair<bool, uint256>>& pairs, uint256 claimHash)
 {
     for (auto& pair : pairs)
         if (pair.first) // we're on the right because we were an odd index number
@@ -179,9 +179,9 @@ BOOST_AUTO_TEST_CASE(hash_claims_children_fuzzer_test)
     }
 }
 
-bool verify_proof(const CClaimTrieProof proof, CUint256 rootHash, const std::string& name)
+bool verify_proof(const CClaimTrieProof proof, uint256 rootHash, const std::string& name)
 {
-    CUint256 previousComputedHash;
+    uint256 previousComputedHash;
     std::string computedReverseName;
     bool verifiedValue = false;
 
@@ -190,7 +190,7 @@ bool verify_proof(const CClaimTrieProof proof, CUint256 rootHash, const std::str
         std::vector<unsigned char> vchToHash;
         for (auto itChildren = itNodes->children.begin(); itChildren != itNodes->children.end(); ++itChildren) {
             vchToHash.push_back(itChildren->first);
-            CUint256 childHash;
+            uint256 childHash;
             if (itChildren->second.IsNull()) {
                 if (previousComputedHash.IsNull()) {
                     return false;
@@ -210,7 +210,7 @@ bool verify_proof(const CClaimTrieProof proof, CUint256 rootHash, const std::str
             return false;
         }
         if (itNodes->hasValue) {
-            CUint256 valHash;
+            uint256 valHash;
             if (itNodes->valHash.IsNull()) {
                 if (itNodes != proof.nodes.rbegin()) {
                     return false;
@@ -233,7 +233,7 @@ bool verify_proof(const CClaimTrieProof proof, CUint256 rootHash, const std::str
         std::vector<unsigned char> vchHash(hasher.OUTPUT_SIZE);
         hasher.Write(vchToHash.data(), vchToHash.size());
         hasher.Finalize(&(vchHash[0]));
-        CUint256 calculatedHash(vchHash);
+        uint256 calculatedHash(vchHash);
         previousComputedHash = calculatedHash;
     }
     if (previousComputedHash != rootHash) {
diff --git a/src/test/claimtrierpc_tests.cpp b/src/test/claimtrierpc_tests.cpp
index 67a5d67c2..6fd149565 100644
--- a/src/test/claimtrierpc_tests.cpp
+++ b/src/test/claimtrierpc_tests.cpp
@@ -8,7 +8,7 @@
 
 using namespace std;
 
-extern void ValidatePairs(CClaimTrieCache& cache, const std::vector<std::pair<bool, CUint256>>& pairs, CUint256 claimHash);
+extern void ValidatePairs(CClaimTrieCache& cache, const std::vector<std::pair<bool, uint256>>& pairs, uint256 claimHash);
 
 BOOST_FIXTURE_TEST_SUITE(claimtrierpc_tests, RegTestingSetup)
 
@@ -192,12 +192,12 @@ BOOST_AUTO_TEST_CASE(claim_rpcs_rollback3_test)
     BOOST_CHECK_EQUAL(valueResults[T_AMOUNT].get_int(), 3);
 }
 
-std::vector<std::pair<bool, CUint256>> jsonToPairs(const UniValue& jsonPair)
+std::vector<std::pair<bool, uint256>> jsonToPairs(const UniValue& jsonPair)
 {
-    std::vector<std::pair<bool, CUint256>> pairs;
+    std::vector<std::pair<bool, uint256>> pairs;
     for (std::size_t i = 0; i < jsonPair.size(); ++i) {
         auto& jpair = jsonPair[i];
-        pairs.emplace_back(jpair[T_ODD].get_bool(), CUint256S(jpair[T_HASH].get_str()));
+        pairs.emplace_back(jpair[T_ODD].get_bool(), uint256S(jpair[T_HASH].get_str()));
     }
     return pairs;
 }
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index 2504231e7..4afc43ae3 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -62,24 +62,6 @@ std::ostream& operator<<(std::ostream& os, const COutPoint& point)
     return os;
 }
 
-std::ostream& operator<<(std::ostream& os, const CUint256& num)
-{
-    os << num.ToString();
-    return os;
-}
-
-std::ostream& operator<<(std::ostream& os, const CUint160& num)
-{
-    os << num.ToString();
-    return os;
-}
-
-std::ostream& operator<<(std::ostream& os, const CTxOutPoint& point)
-{
-    os << point.ToString();
-    return os;
-}
-
 std::ostream& operator<<(std::ostream& os, const CClaimValue& claim)
 {
     os << claim.ToString();
diff --git a/src/test/test_bitcoin.h b/src/test/test_bitcoin.h
index 2e4238fa7..3d74dd3e6 100644
--- a/src/test/test_bitcoin.h
+++ b/src/test/test_bitcoin.h
@@ -134,10 +134,6 @@ std::ostream& operator<<(std::ostream& os, const uint160& num);
 class COutPoint;
 std::ostream& operator<<(std::ostream& os, const COutPoint& point);
 
-std::ostream& operator<<(std::ostream& os, const CUint256& num);
-std::ostream& operator<<(std::ostream& os, const CUint160& num);
-std::ostream& operator<<(std::ostream& os, const CTxOutPoint& point);
-
 class CClaimValue;
 class CSupportValue;
 std::ostream& operator<<(std::ostream& os, const CClaimValue& claim);
diff --git a/src/txdb.h b/src/txdb.h
index a70ab9155..1a770c588 100644
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -26,16 +26,10 @@ namespace sqlite {
     inline void store_result_in_db(sqlite3_context* db, const CScript& val) {
         sqlite3_result_blob(db, val.data(), int(val.size()), SQLITE_TRANSIENT);
     }
-
-    inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const uint256& val) {
-        return sqlite3_bind_blob(stmt, inx, val.begin(), int(val.size()), SQLITE_STATIC);
-    }
-
-    inline void store_result_in_db(sqlite3_context* db, const uint256& val) {
-        sqlite3_result_blob(db, val.begin(), int(val.size()), SQLITE_TRANSIENT);
-    }
 }
+
 #include <sqlite.h>
+
 namespace sqlite {
     template<>
     struct has_sqlite_type<CScript, SQLITE_BLOB, void> : std::true_type {};
@@ -47,26 +41,6 @@ namespace sqlite {
         assert(bytes >= 0);
         return CScript(ptr, ptr + bytes);
     }
-
-    template<>
-    struct has_sqlite_type<uint256, SQLITE_BLOB, void> : std::true_type {};
-
-    inline uint256 get_col_from_db(sqlite3_stmt* stmt, int inx, result_type<uint256>) {
-        auto type = sqlite3_column_type(stmt, inx);
-        if (type == SQLITE_NULL)
-            return {};
-        if (type == SQLITE_INTEGER)
-            return ArithToUint256(arith_uint256(sqlite3_column_int64(stmt, inx)));
-
-        assert(type == SQLITE_BLOB);
-        auto ptr = sqlite3_column_blob(stmt, inx);
-        uint256 ret;
-        if (!ptr) return ret;
-        int bytes = sqlite3_column_bytes(stmt, inx);
-        assert(bytes > 0 && bytes <= int(ret.size()));
-        std::memcpy(ret.begin(), ptr, bytes);
-        return ret;
-    }
 }
 
 class CBlockIndex;
diff --git a/src/uint256.cpp b/src/uint256.cpp
index e513dc1de..98bb128dd 100644
--- a/src/uint256.cpp
+++ b/src/uint256.cpp
@@ -3,77 +3,10 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
+#include <crypto/common.h>
 #include <uint256.h>
 
-#include <utilstrencodings.h>
-
-#include <stdio.h>
-#include <string.h>
-
-template <unsigned int BITS>
-base_blob<BITS>::base_blob(const std::vector<unsigned char>& vch)
+uint64_t GetCheapHash(const uint256& hash)
 {
-    assert(vch.size() == sizeof(data));
-    memcpy(data, vch.data(), sizeof(data));
+    return ReadLE64(hash.begin());
 }
-
-template <unsigned int BITS>
-std::string base_blob<BITS>::GetHex() const
-{
-    return HexStr(std::reverse_iterator<const uint8_t*>(data + sizeof(data)), std::reverse_iterator<const uint8_t*>(data));
-}
-
-template <unsigned int BITS>
-void base_blob<BITS>::SetHex(const char* psz)
-{
-    memset(data, 0, sizeof(data));
-
-    // skip leading spaces
-    while (isspace(*psz))
-        psz++;
-
-    // skip 0x
-    if (psz[0] == '0' && tolower(psz[1]) == 'x')
-        psz += 2;
-
-    // hex string to uint
-    const char* pbegin = psz;
-    while (::HexDigit(*psz) != -1)
-        psz++;
-    psz--;
-    unsigned char* p1 = (unsigned char*)data;
-    unsigned char* pend = p1 + WIDTH;
-    while (psz >= pbegin && p1 < pend) {
-        *p1 = ::HexDigit(*psz--);
-        if (psz >= pbegin) {
-            *p1 |= ((unsigned char)::HexDigit(*psz--) << 4);
-            p1++;
-        }
-    }
-}
-
-template <unsigned int BITS>
-void base_blob<BITS>::SetHex(const std::string& str)
-{
-    SetHex(str.c_str());
-}
-
-template <unsigned int BITS>
-std::string base_blob<BITS>::ToString() const
-{
-    return (GetHex());
-}
-
-// Explicit instantiations for base_blob<160>
-template base_blob<160>::base_blob(const std::vector<unsigned char>&);
-template std::string base_blob<160>::GetHex() const;
-template std::string base_blob<160>::ToString() const;
-template void base_blob<160>::SetHex(const char*);
-template void base_blob<160>::SetHex(const std::string&);
-
-// Explicit instantiations for base_blob<256>
-template base_blob<256>::base_blob(const std::vector<unsigned char>&);
-template std::string base_blob<256>::GetHex() const;
-template std::string base_blob<256>::ToString() const;
-template void base_blob<256>::SetHex(const char*);
-template void base_blob<256>::SetHex(const std::string&);
diff --git a/src/uint256.h b/src/uint256.h
index 6cb77e632..b878bcdda 100644
--- a/src/uint256.h
+++ b/src/uint256.h
@@ -6,166 +6,8 @@
 #ifndef BITCOIN_UINT256_H
 #define BITCOIN_UINT256_H
 
-#include <assert.h>
-#include <cstring>
-#include <stdexcept>
-#include <stdint.h>
-#include <string>
-#include <vector>
-#include <crypto/common.h>
-
 #include <claimtrie/uints.h>
 
-/** Template base class for fixed-sized opaque blobs. */
-template<unsigned int BITS>
-class base_blob
-{
-protected:
-    static constexpr int WIDTH = BITS / 8;
-    uint8_t data[WIDTH];
-public:
-    base_blob()
-    {
-        memset(data, 0, sizeof(data));
-    }
-
-    explicit base_blob(const CBaseBlob<BITS>& b)
-    {
-        std::copy(b.begin(), b.end(), begin());
-    }
-
-    explicit base_blob(const std::vector<unsigned char>& vch);
-
-    bool IsNull() const
-    {
-        for (int i = 0; i < WIDTH; i++)
-            if (data[i] != 0)
-                return false;
-        return true;
-    }
-
-    void SetNull()
-    {
-        memset(data, 0, sizeof(data));
-    }
-
-    inline int Compare(const base_blob& other) const { return memcmp(data, other.data, sizeof(data)); }
-
-    friend inline bool operator==(const base_blob& a, const base_blob& b) { return a.Compare(b) == 0; }
-    friend inline bool operator!=(const base_blob& a, const base_blob& b) { return a.Compare(b) != 0; }
-    friend inline bool operator<(const base_blob& a, const base_blob& b) { return a.Compare(b) < 0; }
-
-    std::string GetHex() const;
-    void SetHex(const char* psz);
-    void SetHex(const std::string& str);
-    std::string ToString() const;
-
-    unsigned char* begin()
-    {
-        return &data[0];
-    }
-
-    unsigned char* end()
-    {
-        return &data[WIDTH];
-    }
-
-    const unsigned char* begin() const
-    {
-        return &data[0];
-    }
-
-    const unsigned char* end() const
-    {
-        return &data[WIDTH];
-    }
-
-    unsigned int size() const
-    {
-        return sizeof(data);
-    }
-
-    uint64_t GetUint64(int pos) const
-    {
-        const uint8_t* ptr = data + pos * 8;
-        return ((uint64_t)ptr[0]) | \
-               ((uint64_t)ptr[1]) << 8 | \
-               ((uint64_t)ptr[2]) << 16 | \
-               ((uint64_t)ptr[3]) << 24 | \
-               ((uint64_t)ptr[4]) << 32 | \
-               ((uint64_t)ptr[5]) << 40 | \
-               ((uint64_t)ptr[6]) << 48 | \
-               ((uint64_t)ptr[7]) << 56;
-    }
-
-    template<typename Stream>
-    void Serialize(Stream& s) const
-    {
-        s.write((char*)data, sizeof(data));
-    }
-
-    template<typename Stream>
-    void Unserialize(Stream& s)
-    {
-        s.read((char*)data, sizeof(data));
-    }
-
-    operator CBaseBlob<BITS>() const
-    {
-        CBaseBlob<BITS> c;
-        std::copy(begin(), end(), c.begin());
-        return c;
-    }
-};
-
-/** 160-bit opaque blob.
- * @note This type is called uint160 for historical reasons only. It is an opaque
- * blob of 160 bits and has no integer operations.
- */
-class uint160 : public base_blob<160> {
-public:
-    using base_blob<160>::base_blob;
-};
-
-/** 256-bit opaque blob.
- * @note This type is called uint256 for historical reasons only. It is an
- * opaque blob of 256 bits and has no integer operations. Use arith_uint256 if
- * those are required.
- */
-class uint256 : public base_blob<256> {
-public:
-    using base_blob<256>::base_blob;
-
-    /** A cheap hash function that just returns 64 bits from the result, it can be
-     * used when the contents are considered uniformly random. It is not appropriate
-     * when the value can easily be influenced from outside as e.g. a network adversary could
-     * provide values to trigger worst-case behavior.
-     */
-    uint64_t GetCheapHash() const
-    {
-        return ReadLE64(data);
-    }
-};
-
-/* uint256 from const char *.
- * This is a separate function because the constructor uint256(const char*) can result
- * in dangerously catching uint256(0).
- */
-inline uint256 uint256S(const char *str)
-{
-    uint256 rv;
-    rv.SetHex(str);
-    return rv;
-}
-/* uint256 from std::string.
- * This is a separate function because the constructor uint256(const std::string &str) can result
- * in dangerously catching uint256(0) via std::string(const char*).
- */
-inline uint256 uint256S(const std::string& str)
-{
-    uint256 rv;
-    rv.SetHex(str);
-    return rv;
-}
+uint64_t GetCheapHash(const uint256& hash);
 
 #endif // BITCOIN_UINT256_H
diff --git a/src/validation.cpp b/src/validation.cpp
index 2803e573f..dd9e1b698 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1503,20 +1503,12 @@ int ApplyTxInUndo(unsigned int index, CTxUndo& txUndo, CCoinsViewCache& view, CC
     return fClean ? DISCONNECT_OK : DISCONNECT_UNCLEAN;
 }
 
-template <typename T1, typename T2>
-inline bool equals(const T1& hash1, const T2& hash2)
-{
-    static_assert((std::is_same<T1, uint256>::value && std::is_same<T2, CUint256>::value) ||
-                  (std::is_same<T2, uint256>::value && std::is_same<T1, CUint256>::value), "Hash types are incompatible");
-    return std::equal(hash1.begin(), hash1.end(), hash2.begin());
-}
-
 /** Undo the effects of this block (with given index) on the UTXO set represented by coins.
  *  When FAILED is returned, view is left in an indeterminate state. */
 DisconnectResult CChainState::DisconnectBlock(const CBlock& block, const CBlockIndex* pindex, CCoinsViewCache& view, CClaimTrieCache& trieCache)
 {
     assert(pindex->GetBlockHash() == view.GetBestBlock());
-    if (!equals(pindex->hashClaimTrie, trieCache.getMerkleHash())) {
+    if (pindex->hashClaimTrie != trieCache.getMerkleHash()) {
         LogPrintf("%s: Indexed claim hash doesn't match current: %s vs %s\n",
                 __func__, pindex->hashClaimTrie.ToString(), trieCache.getMerkleHash().ToString());
         assert(false);
@@ -1590,7 +1582,7 @@ DisconnectResult CChainState::DisconnectBlock(const CBlock& block, const CBlockI
     // move best block pointer to prevout block
     view.SetBestBlock(pindex->pprev->GetBlockHash());
     assert(trieCache.finalizeDecrement());
-    if (!equals(trieCache.getMerkleHash(), pindex->pprev->hashClaimTrie)) {
+    if (trieCache.getMerkleHash() != pindex->pprev->hashClaimTrie) {
         LogPrintf("Hash comparison failure at block %d\n", pindex->nHeight);
         assert(false);
     }
@@ -1803,7 +1795,7 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl
     assert(hashPrevBlock == view.GetBestBlock());
 
     // also verify that the trie cache's current state corresponds to the previous block
-    if (pindex->pprev != nullptr && !equals(pindex->pprev->hashClaimTrie, trieCache.getMerkleHash())) {
+    if (pindex->pprev != nullptr && pindex->pprev->hashClaimTrie != trieCache.getMerkleHash()) {
         LogPrintf("%s: Previous block claim hash doesn't match current: %s vs %s\n",
                 __func__, pindex->pprev->hashClaimTrie.ToString(), trieCache.getMerkleHash().ToString());
         assert(false);
@@ -2064,7 +2056,7 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl
     // TODO: if the "just check" flag is set, we should reduce the work done here. Incrementing blocks twice per mine is not efficient.
     assert(trieCache.incrementBlock());
 
-    if (!equals(trieCache.getMerkleHash(), block.hashClaimTrie)) {
+    if (trieCache.getMerkleHash() != block.hashClaimTrie) {
         return state.DoS(100, error("ConnectBlock() : the merkle root of the claim trie does not match "
                                "(actual=%s vs block=%s on height=%d)", trieCache.getMerkleHash().GetHex(),
                                block.hashClaimTrie.GetHex(), pindex->nHeight), REJECT_INVALID, "bad-claim-merkle-hash");
@@ -2356,7 +2348,7 @@ bool CChainState::DisconnectTip(CValidationState& state, const CChainParams& cha
         bool flushed = view.Flush();
         assert(flushed);
         assert(trieCache.flush());
-        assert(equals(pindexDelete->pprev->hashClaimTrie, trieCache.getMerkleHash()));
+        assert(pindexDelete->pprev->hashClaimTrie == trieCache.getMerkleHash());
     }
     LogPrint(BCLog::BENCH, "- Disconnect block: %.2fms\n", (GetTimeMicros() - nStart) * MILLI);
     // Write the chain state to disk, if necessary.
diff --git a/src/validation.h b/src/validation.h
index 8d87b738f..d1369c048 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -141,7 +141,7 @@ static const int DEFAULT_STOPATHEIGHT = 0;
 
 struct BlockHasher
 {
-    size_t operator()(const uint256& hash) const { return hash.GetCheapHash(); }
+    size_t operator()(const uint256& hash) const { return GetCheapHash(hash); }
 };
 
 extern CScript COINBASE_FLAGS;