diff --git a/db/prefixes/prefixes.go b/db/prefixes/prefixes.go
index e0987d0..90a0a2a 100644
--- a/db/prefixes/prefixes.go
+++ b/db/prefixes/prefixes.go
@@ -632,17 +632,108 @@ class ActivationValue(typing.NamedTuple):
 
 type ActivationKey struct {
 	Prefix   []byte `json:"prefix"`
-	TxType   int32  `json:"txo_type"`
-	TxNum    int32  `json:"txo_num"`
-	Position int32  `json:"position"`
+	TxoType  uint8  `json:"txo_type"`
+	TxNum    uint32 `json:"tx_num"`
+	Position uint16 `json:"position"`
 }
 
 type ActivationValue struct {
-	Height         int32  `json:"height"`
+	Height         uint32 `json:"height"`
 	ClaimHash      []byte `json:"claim_hash"`
 	NormalizedName string `json:"normalized_name"`
 }
 
+func (k *ActivationKey) PackKey() []byte {
+	prefixLen := 1
+	// b'>BLH'
+	n := prefixLen + 1 + 4 + 2
+	key := make([]byte, n)
+	copy(key, k.Prefix)
+	copy(key[prefixLen:], []byte{k.TxoType})
+	binary.BigEndian.PutUint32(key[prefixLen+1:], k.TxNum)
+	binary.BigEndian.PutUint16(key[prefixLen+5:], k.Position)
+
+	return key
+}
+
+func (v *ActivationValue) PackValue() []byte {
+	nameLen := len(v.NormalizedName)
+	n := 4 + 20 + 2 + nameLen
+	value := make([]byte, n)
+	binary.BigEndian.PutUint32(value, v.Height)
+	copy(value[4:], v.ClaimHash[:20])
+	binary.BigEndian.PutUint16(value[24:], uint16(nameLen))
+	copy(value[26:], []byte(v.NormalizedName))
+
+	return value
+}
+
+func ActivationKeyPackPartialNFields(nFields int) func(*ActivationKey) []byte {
+	return func(u *ActivationKey) []byte {
+		return ActivationKeyPackPartial(u, nFields)
+	}
+}
+
+func ActivationKeyPackPartial(k *ActivationKey, nFields int) []byte {
+	// Limit nFields between 0 and number of fields, we always at least need
+	// the prefix, and we never need to iterate past the number of fields.
+	if nFields > 3 {
+		nFields = 3
+	}
+	if nFields < 0 {
+		nFields = 0
+	}
+
+	prefixLen := 1
+	var n = prefixLen
+	for i := 0; i <= nFields; i++ {
+		switch i {
+		case 1:
+			n += 1
+		case 2:
+			n += 4
+		case 3:
+			n += 2
+		}
+	}
+
+	key := make([]byte, n)
+
+	for i := 0; i <= nFields; i++ {
+		switch i {
+		case 0:
+			copy(key, k.Prefix)
+		case 1:
+			key[prefixLen] = k.TxoType
+		case 2:
+			binary.BigEndian.PutUint32(key[prefixLen+1:], k.TxNum)
+		case 3:
+			binary.BigEndian.PutUint16(key[prefixLen+5:], k.Position)
+		}
+	}
+
+	return key
+}
+
+func ActivationKeyUnpack(key []byte) *ActivationKey {
+	prefixLen := 1
+	return &ActivationKey{
+		Prefix:   key[:prefixLen],
+		TxoType:  key[prefixLen],
+		TxNum:    binary.BigEndian.Uint32(key[prefixLen+1:]),
+		Position: binary.BigEndian.Uint16(key[prefixLen+5:]),
+	}
+}
+
+func ActivationValueUnpack(value []byte) *ActivationValue {
+	nameLen := binary.BigEndian.Uint16(value[24:])
+	return &ActivationValue{
+		Height:         binary.BigEndian.Uint32(value),
+		ClaimHash:      value[4 : 20+4],
+		NormalizedName: string(value[26 : 26+nameLen]),
+	}
+}
+
 /*
 
 class ActiveAmountKey(typing.NamedTuple):
@@ -1522,8 +1613,9 @@ func UnpackGenericKey(key []byte) (byte, interface{}, error) {
 
 	case ClaimTakeover:
 	case PendingActivation:
-	case ActivatedClaimAndSupport:
 		return 0x0, nil, errors.Base("key unpack function for %v not implemented", firstByte)
+	case ActivatedClaimAndSupport:
+		return ActivatedClaimAndSupport, ActivationKeyUnpack(key), nil
 	case ActiveAmount:
 		return ActiveAmount, ActiveAmountKeyUnpack(key), nil
 
@@ -1584,8 +1676,9 @@ func UnpackGenericValue(key, value []byte) (byte, interface{}, error) {
 
 	case ClaimTakeover:
 	case PendingActivation:
-	case ActivatedClaimAndSupport:
 		return 0x0, nil, errors.Base("value unpack not implemented for key %v", key)
+	case ActivatedClaimAndSupport:
+		return ActivatedClaimAndSupport, ActivationValueUnpack(value), nil
 	case ActiveAmount:
 		return ActiveAmount, ActiveAmountValueUnpack(value), nil
 
diff --git a/db/prefixes/prefixes_test.go b/db/prefixes/prefixes_test.go
index 18778af..860e6c7 100644
--- a/db/prefixes/prefixes_test.go
+++ b/db/prefixes/prefixes_test.go
@@ -44,6 +44,90 @@ func testInit(filePath string) (*grocksdb.DB, [][]string, func()) {
 	return db, records, toDefer
 }
 
+func TestActivated(t *testing.T) {
+
+	filePath := "../../resources/activated_claim_and_support.csv"
+
+	wOpts := grocksdb.NewDefaultWriteOptions()
+	db, records, toDefer := testInit(filePath)
+	defer toDefer()
+	for _, record := range records {
+		key, err := hex.DecodeString(record[0])
+		if err != nil {
+			log.Println(err)
+		}
+		val, err := hex.DecodeString(record[1])
+		if err != nil {
+			log.Println(err)
+		}
+		db.Put(wOpts, key, val)
+	}
+	// test prefix
+	options := dbpkg.NewIterateOptions().WithPrefix([]byte{prefixes.ActivatedClaimAndSupport}).WithIncludeValue(true)
+	ch := dbpkg.Iter(db, options)
+	var i = 0
+	for kv := range ch {
+		// log.Println(kv.Key)
+		gotKey := kv.Key.(*prefixes.ActivationKey).PackKey()
+
+		keyPartial1 := prefixes.ActivationKeyPackPartial(kv.Key.(*prefixes.ActivationKey), 1)
+		keyPartial2 := prefixes.ActivationKeyPackPartial(kv.Key.(*prefixes.ActivationKey), 2)
+		keyPartial3 := prefixes.ActivationKeyPackPartial(kv.Key.(*prefixes.ActivationKey), 3)
+
+		// Check pack partial for sanity
+		if !bytes.HasPrefix(gotKey, keyPartial1) {
+			t.Errorf("%+v should be prefix of %+v\n", keyPartial1, gotKey)
+		}
+		if !bytes.HasPrefix(gotKey, keyPartial2) {
+			t.Errorf("%+v should be prefix of %+v\n", keyPartial2, gotKey)
+		}
+		if !bytes.HasPrefix(gotKey, keyPartial3) {
+			t.Errorf("%+v should be prefix of %+v\n", keyPartial3, gotKey)
+		}
+
+		got := kv.Value.(*prefixes.ActivationValue).PackValue()
+		wantKey, err := hex.DecodeString(records[i][0])
+		if err != nil {
+			log.Println(err)
+		}
+		want, err := hex.DecodeString(records[i][1])
+		if err != nil {
+			log.Println(err)
+		}
+		if !bytes.Equal(gotKey, wantKey) {
+			t.Errorf("gotKey: %+v, wantKey: %+v\n", got, want)
+		}
+		if !bytes.Equal(got, want) {
+			t.Errorf("got: %+v, want: %+v\n", got, want)
+		}
+		i++
+	}
+
+	// Test start / stop
+	start, err := hex.DecodeString(records[0][0])
+	if err != nil {
+		log.Println(err)
+	}
+	stop, err := hex.DecodeString(records[9][0])
+	if err != nil {
+		log.Println(err)
+	}
+	options2 := dbpkg.NewIterateOptions().WithStart(start).WithStop(stop).WithIncludeValue(true)
+	ch2 := dbpkg.Iter(db, options2)
+	i = 0
+	for kv := range ch2 {
+		got := kv.Value.(*prefixes.ActivationValue).PackValue()
+		want, err := hex.DecodeString(records[i][1])
+		if err != nil {
+			log.Println(err)
+		}
+		if !bytes.Equal(got, want) {
+			t.Errorf("got: %+v, want: %+v\n", got, want)
+		}
+		i++
+	}
+}
+
 func TestActiveAmount(t *testing.T) {
 
 	filePath := "../../resources/active_amount.csv"
diff --git a/main.go b/main.go
index 2831cdd..5ed3693 100644
--- a/main.go
+++ b/main.go
@@ -38,7 +38,7 @@ func main() {
 
 		options := &db.IterOptions{
 			FillCache:    false,
-			Prefix:       []byte{prefixes.ActiveAmount},
+			Prefix:       []byte{prefixes.ActivatedClaimAndSupport},
 			Start:        nil,
 			Stop:         nil,
 			IncludeStart: true,
@@ -49,7 +49,7 @@ func main() {
 			RawValue:     true,
 		}
 
-		db.ReadWriteRawN(dbVal, options, "./resources/active_amount.csv", 10)
+		db.ReadWriteRawN(dbVal, options, "./resources/activated_claim_and_support.csv", 10)
 
 		return
 	}
diff --git a/resources/activated_claim_and_support.csv b/resources/activated_claim_and_support.csv
new file mode 100644
index 0000000..6e4f8f5
--- /dev/null
+++ b/resources/activated_claim_and_support.csv
@@ -0,0 +1,10 @@
+520100162aa70000,00021b3dc78ac4c326cd43cdc0c844b7cea13659449ab3e40015746573742d70686f746f2d7374726173626f757267
+520100162f600000,00021c27ebf95f7fdb89db5467bb1b88ea3b0f0f7ee5ce360003636e63
+5201001630960000,00021c63a6f91a86837ab84a4cf0d2dcbe94704a528cf820000f776f6e646572776f6d616e31393933
+5201001635e60000,00021d689673cc2a1aac64d7b2742705abfb09fca30d7e0500056d6d61736b
+5201001638a80000,00021f4bc39342066646dc50f1a9954b41684d157b035dac00036f6e65
+5201001645ef0001,000220144689c1ccb4420309f93ab98799b28c49fa4d3809000a65617379737472656574
+52010016529a0000,0002225ff1628d66ae52295590b72b9a0b3a3527642a532600137465737470756230332d32312d323031372d32
+52010016529d0000,00022261a4c61ced261ab571bdb3410ae140bec6c31f14ce00117465737470756230332d32312d32303137
+5201001655960000,000222f42327bcb6d7578a2669e416b5aa185fe14ee8e03e00056569676874
+5201001664200000,00022584f69099600bdca9b062ba60432dba3c0ca2241167002c686973746f72792d6f662d6672696564726963682d69692d6f662d707275737369612d766f6c756d652d3137