diff --git a/test/data/bip69/COPYING b/test/data/bip69/COPYING
new file mode 100644
index 00000000..fcf2ae9f
--- /dev/null
+++ b/test/data/bip69/COPYING
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2016 Daniel Cousens
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/test/data/bip69.json b/test/data/bip69/bip69.json
similarity index 100%
rename from test/data/bip69.json
rename to test/data/bip69/bip69.json
diff --git a/test/data/core-data/COPYING b/test/data/core-data/COPYING
new file mode 100644
index 00000000..45d51c3c
--- /dev/null
+++ b/test/data/core-data/COPYING
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2009-2017 The Bitcoin Core developers
+Copyright (c) 2009-2017 Bitcoin Developers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/test/data/script-tests.json b/test/data/core-data/script-tests.json
similarity index 100%
rename from test/data/script-tests.json
rename to test/data/core-data/script-tests.json
diff --git a/test/data/sighash-tests.json b/test/data/core-data/sighash-tests.json
similarity index 100%
rename from test/data/sighash-tests.json
rename to test/data/core-data/sighash-tests.json
diff --git a/test/data/tx-invalid.json b/test/data/core-data/tx-invalid.json
similarity index 100%
rename from test/data/tx-invalid.json
rename to test/data/core-data/tx-invalid.json
diff --git a/test/data/tx-valid.json b/test/data/core-data/tx-valid.json
similarity index 100%
rename from test/data/tx-valid.json
rename to test/data/core-data/tx-valid.json
diff --git a/test/input-test.js b/test/input-test.js
index 8fa4f18a..7dcc5196 100644
--- a/test/input-test.js
+++ b/test/input-test.js
@@ -22,7 +22,8 @@ const input2 = tx2.getRaw().slice(152, 339);
 const tx3 = common.readTX('tx4');
 const input3 = tx3.getRaw().slice(5, 266);
 
-const bip69tests = require('./data/bip69');
+// test files: https://github.com/bitcoinjs/bip69/blob/master/test/fixtures.json
+const bip69tests = require('./data/bip69/bip69.json');
 
 describe('Input', function() {
   it('should return same raw', () => {
diff --git a/test/script-test.js b/test/script-test.js
index 03f40ac1..2cfe052f 100644
--- a/test/script-test.js
+++ b/test/script-test.js
@@ -12,7 +12,8 @@ const TX = require('../lib/primitives/tx');
 const consensus = require('../lib/protocol/consensus');
 const {fromFloat} = require('../lib/utils/fixed');
 
-const scripts = require('./data/script-tests.json');
+// test files: https://github.com/bitcoin/bitcoin/tree/master/src/test/data
+const scripts = require('./data/core-data/script-tests.json');
 
 function isSuccess(stack) {
   if (stack.length === 0)
diff --git a/test/tx-test.js b/test/tx-test.js
index 0a83eab7..e7100e07 100644
--- a/test/tx-test.js
+++ b/test/tx-test.js
@@ -23,9 +23,10 @@ const Address = require('../lib/primitives/address');
 const BufferWriter = require('bufio').BufferWriter;
 const common = require('./util/common');
 
-const validTests = require('./data/tx-valid.json');
-const invalidTests = require('./data/tx-invalid.json');
-const sighashTests = require('./data/sighash-tests.json');
+// test files: https://github.com/bitcoin/bitcoin/tree/master/src/test/data
+const validTests = require('./data/core-data/tx-valid.json');
+const invalidTests = require('./data/core-data/tx-invalid.json');
+const sighashTests = require('./data/core-data/sighash-tests.json');
 
 const tx1 = common.readTX('tx1');
 const tx2 = common.readTX('tx2');