diff --git a/test/fixtures/hdnode.json b/test/fixtures/hdnode.json
index 9fd4f3e..bd9899f 100644
--- a/test/fixtures/hdnode.json
+++ b/test/fixtures/hdnode.json
@@ -7,8 +7,6 @@
         "wif": "L52XzL2cMkHxqxBXRyEpnPQZGUs3uKiL3R11XbAdHigRzDozKZeW",
         "pubKey": "0339a36013301597daef41fbe593a02cc513d0b55527ec2df1050e2e8ff49c85c2",
         "chainCode": "873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d508",
-        "hex": "0488b21e000000000000000000873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d5080339a36013301597daef41fbe593a02cc513d0b55527ec2df1050e2e8ff49c85c2",
-        "hexPriv": "0488ade4000000000000000000873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d50800e8f32e723decf4051aefac8e2c93c9c5b214313817cdb01a1494b917c8436b35",
         "base58": "xpub661MyMwAqRbcFtXgS5sYJABqqG9YLmC4Q1Rdap9gSE8NqtwybGhePY2gZ29ESFjqJoCu1Rupje8YtGqsefD265TMg7usUDFdp6W1EGMcet8",
         "base58Priv": "xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi",
         "identifier": "3442193e1bb70916e914552172cd4e2dbc9df811",
@@ -89,8 +87,6 @@
         "chainCode": "60499f801b896d83179a4374aeb7822aaeaceaa0db1f85ee3e904c4defbd9689",
         "base58": "xpub661MyMwAqRbcFW31YEwpkMuc5THy2PSt5bDMsktWQcFF8syAmRUapSCGu8ED9W6oDMSgv6Zz8idoc4a6mr8BDzTJY47LJhkJ8UB7WEGuduB",
         "base58Priv": "xprv9s21ZrQH143K31xYSDQpPDxsXRTUcvj2iNHm5NUtrGiGG5e2DtALGdso3pGz6ssrdK4PFmM8NSpSBHNqPqm55Qn3LqFtT2emdEXVYsCzC2U",
-        "hex": "0488b21e00000000000000000060499f801b896d83179a4374aeb7822aaeaceaa0db1f85ee3e904c4defbd968903cbcaa9c98c877a26977d00825c956a238e8dddfbd322cce4f74b0b5bd6ace4a7",
-        "hexPriv": "0488ade400000000000000000060499f801b896d83179a4374aeb7822aaeaceaa0db1f85ee3e904c4defbd9689004b03d6fc340455b363f51020ad3ecca4f0850280cf436c70c727923f6db46c3e",
         "identifier": "bd16bee53961a47d6ad888e29545434a89bdfe95",
         "fingerprint": "bd16bee5",
         "address": "1JEoxevbLLG8cVqeoGKQiAwoWbNYSUyYjg"
@@ -167,8 +163,6 @@
         "wif": "TAroS5Knm8GZcnpPycBgzjwwDLWMyQjDrcuGPPoArgrbW7Ln22qp",
         "pubKey": "0339a36013301597daef41fbe593a02cc513d0b55527ec2df1050e2e8ff49c85c2",
         "chainCode": "873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d508",
-        "hex": "0488b21e000000000000000000873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d5080339a36013301597daef41fbe593a02cc513d0b55527ec2df1050e2e8ff49c85c2",
-        "hexPriv": "019d9cfe000000000000000000873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d50800e8f32e723decf4051aefac8e2c93c9c5b214313817cdb01a1494b917c8436b35",
         "base58": "Ltub2SSUS19CirucWFod2ZsYA2J4v4U76YiCXHdcQttnoiy5aGanFHCPDBX7utfG6f95u1cUbZJNafmvzNCzZZJTw1EmyFoL8u1gJbGM8ipu491",
         "base58Priv": "Ltpv71G8qDifUiNetP6nmxPA5STrUVmv2J9YSmXajv8VsYBUyuPhvN9xCaQrfX2wo5xxJNtEazYCFRUu5FmokYMM79pcqz8pcdo4rNXAFPgyB4k",
         "identifier": "3442193e1bb70916e914552172cd4e2dbc9df811",
@@ -226,32 +220,30 @@
         "exception": "Invalid network version",
         "network": "bitcoin",
         "string": "Ltpv73XYpw28ZyVe2zEVyiFnxUZxoKLGQNdZ8NxUi1WcqjNmMBgtLbh3KimGSnPHCoLv1RmvxHs4dnKmo1oXQ8dXuDu8uroxrbVxZPA1gXboYvx"
-      }
-    ],
-    "fromBuffer": [
-      {
-        "exception": "Invalid buffer length",
-        "hex": "0488b21e0000000000000000007ffc03d4a1f2fb41ef93374c69e4d19e42e27c9a87ec8b799a205eecd3b43b5f02948d03e260a571e21bcf5bfd8e3b6602800df154906e06b2bc88eee4"
       },
       {
         "exception": "Invalid buffer length",
-        "hex": "0488b21e0000000000000000007ffc03d4a1f2fb41ef93374c69e4d19e42e27c9a87ec8b799a205eecd3b43b5f02948d03e260a571e21bcf5bfd8e3b6602800df154906e06b2bc88eee410aee35500000000"
+        "string": "9XpNiB4DberdMn4jZiMhNGtuZUd7xUrCEGw4MG967zsVNvUKBEC9XLrmVmFasanWGp15zXfTNw4vW4KdvUAynEwyKjdho9QdLMPA2H5uyt"
+      },
+      {
+        "exception": "Invalid buffer length",
+        "string": "7JJikZQ2NUXjSAnAF2SjFYE3KXbnnVxzRBNddFE1DjbDEHVGEJzYC7zqSgPoauBJS3cWmZwsER94oYSFrW9vZ4Ch5FtGeifdzmtS3FGYDB1vxFZsYKgMc"
       },
       {
         "exception": "Invalid parent fingerprint",
-        "hex": "0488b21e00ffffffff000000007ffc03d4a1f2fb41ef93374c69e4d19e42e27c9a87ec8b799a205eecd3b43b5f02948d03e260a571e21bcf5bfd8e3b6602800df154906e06b2bc88eee410aee355"
+        "string": "xpub67tVq9SuNQCfm2PXBqjGRAtNZ935kx2uHJaURePth4JBpMfEy6jum7Euj7FTpbs7fnjhfZcNEktCucWHcJf74dbKLKNSTZCQozdDVwvkJhs"
       },
       {
         "exception": "Invalid index",
-        "hex": "0488b21e0000000000ffffffff7ffc03d4a1f2fb41ef93374c69e4d19e42e27c9a87ec8b799a205eecd3b43b5f02948d03e260a571e21bcf5bfd8e3b6602800df154906e06b2bc88eee410aee355"
+        "string": "xpub661MyMwTWkfYZq6BEh3ywGVXFvNj5hhzmWMhFBHSqmub31B1LZ9wbJ3DEYXZ8bHXGqnHKfepTud5a2XxGdnnePzZa2m2DyzTnFGBUXtaf9M"
       },
       {
-        "exception": "Could not find network for 22222222",
-        "hex": "222222220000000000000000007ffc03d4a1f2fb41ef93374c69e4d19e42e27c9a87ec8b799a205eecd3b43b5f02948d03e260a571e21bcf5bfd8e3b6602800df154906e06b2bc88eee410aee355"
+        "exception": "Unknown network version",
+        "string": "8FH81Rao5EgGmdScoN66TJAHsQP7phEMeyMTku9NBJd7hXgaj3HTvSNjqJjoqBpxdbuushwPEM5otvxXt2p9dcw33AqNKzZEPMqGHmz7Dpayi6Vb"
       },
       {
         "exception": "Point is not on the curve",
-        "hex": "0488b21e000000000000000000873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d508020045400697100007000037899988826500030092003000016366806305909050"
+        "string": "xpub661MyMwAqRbcFtXgS5sYJABqqG9YLmC4Q1Rdap9gSE8NqtwybGhePY2gYymDsxxRe3WWeZQ7TadaLSdKUffezzczTCpB8j3JP96UwE2n6w1"
       }
     ],
     "deriveHardened": [
@@ -268,7 +260,11 @@
     ],
     "derivePath": [
       2,
-      [2, 3, 4],
+      [
+        2,
+        3,
+        4
+      ],
       "/",
       "m/m/123",
       "a/0/1/2",