Inside Bitcoin
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Inside Bitcoin
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The code behind the network, with room to understand it.
Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.
1501"EVAL_FALSE",1502"BIP66 example 2, without DERSIG"1503],1504[1505"0x47 0x304402208e43c0b91f7c1e5bc58e41c8185f8a6086e111b0090187968a86f2822462d3c902200a58f4076b1133b18ff1dc83ee51676e44c60cc608d9534e0df5ace0424fc0be01",1506"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG NOT",1507"DERSIG",1508"SIG_DER",1509"BIP66 example 2, with DERSIG"1510],1511[1512"0",1513"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG",1514"",1515"EVAL_FALSE",1516"BIP66 example 3, without DERSIG"1517],1518[1519"0",1520"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG",1521"DERSIG",1522"EVAL_FALSE",1523"BIP66 example 3, with DERSIG"1524],1525[1526"0",1527"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG NOT",1528"",1529"OK",1530"BIP66 example 4, without DERSIG"1531],1532[1533"0",1534"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG NOT",1535"DERSIG",1536"OK",1537"BIP66 example 4, with DERSIG"1538],1539[1540"0x09 0x300602010102010101",1541"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG NOT",1542"DERSIG",1543"OK",1544"BIP66 example 4, with DERSIG, non-null DER-compliant signature"1545],1546[1547"0",1548"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG NOT",1549"DERSIG,NULLFAIL",1550"OK",1551"BIP66 example 4, with DERSIG and NULLFAIL"1552],1553[1554"0x09 0x300602010102010101",1555"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG NOT",1556"DERSIG,NULLFAIL",1557"NULLFAIL",1558"BIP66 example 4, with DERSIG and NULLFAIL, non-null DER-compliant signature"1559],1560[1561"1",1562"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG",1563"",1564"EVAL_FALSE",1565"BIP66 example 5, without DERSIG"1566],1567[1568"1",1569"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG",1570"DERSIG",1571"SIG_DER",1572"BIP66 example 5, with DERSIG"1573],1574[1575"1",1576"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG NOT",1577"",1578"OK",1579"BIP66 example 6, without DERSIG"1580],1581[1582"1",1583"0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 CHECKSIG NOT",1584"DERSIG",1585"SIG_DER",1586"BIP66 example 6, with DERSIG"1587],1588[1589"0 0x47 0x30440220cae00b1444babfbf6071b0ba8707f6bd373da3df494d6e74119b0430c5db810502205d5231b8c5939c8ff0c82242656d6e06edb073d42af336c99fe8837c36ea39d501 0x47 0x3044022027c2714269ca5aeecc4d70edc88ba5ee0e3da4986e9216028f489ab4f1b8efce022022bd545b4951215267e4c5ceabd4c5350331b2e4a0b6494c56f361fa5a57a1a201",1590"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG",1591"",1592"OK",1593"BIP66 example 7, without DERSIG"1594],1595[1596"0 0x47 0x30440220cae00b1444babfbf6071b0ba8707f6bd373da3df494d6e74119b0430c5db810502205d5231b8c5939c8ff0c82242656d6e06edb073d42af336c99fe8837c36ea39d501 0x47 0x3044022027c2714269ca5aeecc4d70edc88ba5ee0e3da4986e9216028f489ab4f1b8efce022022bd545b4951215267e4c5ceabd4c5350331b2e4a0b6494c56f361fa5a57a1a201",1597"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG",1598"DERSIG",1599"SIG_DER",1600"BIP66 example 7, with DERSIG"1601],1602[1603"0 0x47 0x30440220b119d67d389315308d1745f734a51ff3ec72e06081e84e236fdf9dc2f5d2a64802204b04e3bc38674c4422ea317231d642b56dc09d214a1ecbbf16ecca01ed996e2201 0x47 0x3044022079ea80afd538d9ada421b5101febeb6bc874e01dde5bca108c1d0479aec339a4022004576db8f66130d1df686ccf00935703689d69cf539438da1edab208b0d63c4801",1604"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG NOT",1605"",1606"EVAL_FALSE",1607"BIP66 example 8, without DERSIG"1608],1609[1610"0 0x47 0x30440220b119d67d389315308d1745f734a51ff3ec72e06081e84e236fdf9dc2f5d2a64802204b04e3bc38674c4422ea317231d642b56dc09d214a1ecbbf16ecca01ed996e2201 0x47 0x3044022079ea80afd538d9ada421b5101febeb6bc874e01dde5bca108c1d0479aec339a4022004576db8f66130d1df686ccf00935703689d69cf539438da1edab208b0d63c4801",1611"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG NOT",1612"DERSIG",1613"SIG_DER",1614"BIP66 example 8, with DERSIG"1615],1616[1617"0 0 0x47 0x3044022081aa9d436f2154e8b6d600516db03d78de71df685b585a9807ead4210bd883490220534bb6bdf318a419ac0749660b60e78d17d515558ef369bf872eff405b676b2e01",1618"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG",1619"",1620"EVAL_FALSE",1621"BIP66 example 9, without DERSIG"1622],1623[1624"0 0 0x47 0x3044022081aa9d436f2154e8b6d600516db03d78de71df685b585a9807ead4210bd883490220534bb6bdf318a419ac0749660b60e78d17d515558ef369bf872eff405b676b2e01",1625"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG",1626"DERSIG",1627"SIG_DER",1628"BIP66 example 9, with DERSIG"1629],1630[1631"0 0 0x47 0x30440220da6f441dc3b4b2c84cfa8db0cd5b34ed92c9e01686de5a800d40498b70c0dcac02207c2cf91b0c32b860c4cd4994be36cfb84caf8bb7c3a8e4d96a31b2022c5299c501",1632"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG NOT",1633"",1634"OK",1635"BIP66 example 10, without DERSIG"1636],1637[1638"0 0 0x47 0x30440220da6f441dc3b4b2c84cfa8db0cd5b34ed92c9e01686de5a800d40498b70c0dcac02207c2cf91b0c32b860c4cd4994be36cfb84caf8bb7c3a8e4d96a31b2022c5299c501",1639"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG NOT",1640"DERSIG",1641"SIG_DER",1642"BIP66 example 10, with DERSIG"1643],1644[1645"0 0x47 0x30440220cae00b1444babfbf6071b0ba8707f6bd373da3df494d6e74119b0430c5db810502205d5231b8c5939c8ff0c82242656d6e06edb073d42af336c99fe8837c36ea39d501 0",1646"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG",1647"",1648"EVAL_FALSE",1649"BIP66 example 11, without DERSIG"1650],1651[1652"0 0x47 0x30440220cae00b1444babfbf6071b0ba8707f6bd373da3df494d6e74119b0430c5db810502205d5231b8c5939c8ff0c82242656d6e06edb073d42af336c99fe8837c36ea39d501 0",1653"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG",1654"DERSIG",1655"EVAL_FALSE",1656"BIP66 example 11, with DERSIG"1657],1658[1659"0 0x47 0x30440220b119d67d389315308d1745f734a51ff3ec72e06081e84e236fdf9dc2f5d2a64802204b04e3bc38674c4422ea317231d642b56dc09d214a1ecbbf16ecca01ed996e2201 0",1660"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG NOT",1661"",1662"OK",1663"BIP66 example 12, without DERSIG"1664],1665[1666"0 0x47 0x30440220b119d67d389315308d1745f734a51ff3ec72e06081e84e236fdf9dc2f5d2a64802204b04e3bc38674c4422ea317231d642b56dc09d214a1ecbbf16ecca01ed996e2201 0",1667"2 0x21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 2 CHECKMULTISIG NOT",1668"DERSIG",1669"OK",1670"BIP66 example 12, with DERSIG"1671],1672[1673"0x48 0x304402203e4516da7253cf068effec6b95c41221c0cf3a8e6ccb8cbf1725b562e9afde2c022054e1c258c2981cdfba5df1f46661fb6541c44f77ca0092f3600331abfffb12510101",1674"0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 CHECKSIG",1675"",1676"OK",1677"P2PK with multi-byte hashtype, without DERSIG"1678],1679[1680"0x48 0x304402203e4516da7253cf068effec6b95c41221c0cf3a8e6ccb8cbf1725b562e9afde2c022054e1c258c2981cdfba5df1f46661fb6541c44f77ca0092f3600331abfffb12510101",1681"0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 CHECKSIG",1682"DERSIG",1683"SIG_DER",1684"P2PK with multi-byte hashtype, with DERSIG"1685],1686[1687"0x48 0x304502203e4516da7253cf068effec6b95c41221c0cf3a8e6ccb8cbf1725b562e9afde2c022100ab1e3da73d67e32045a20e0b999e049978ea8d6ee5480d485fcf2ce0d03b2ef001",1688"0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 CHECKSIG",1689"",1690"OK",1691"P2PK with high S but no LOW_S"1692],1693[1694"0x48 0x304502203e4516da7253cf068effec6b95c41221c0cf3a8e6ccb8cbf1725b562e9afde2c022100ab1e3da73d67e32045a20e0b999e049978ea8d6ee5480d485fcf2ce0d03b2ef001",1695"0x21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 CHECKSIG",1696"LOW_S",1697"SIG_HIGH_S",1698"P2PK with high S"1699],1700[1701"0x47 0x3044022057292e2d4dfe775becdd0a9e6547997c728cdf35390f6a017da56d654d374e4902206b643be2fc53763b4e284845bfea2c597d2dc7759941dce937636c9d341b71ed01",1702"0x41 0x0679be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG",1703"",1704"OK",1705"P2PK with hybrid pubkey but no STRICTENC"1706],1707[1708"0x47 0x3044022057292e2d4dfe775becdd0a9e6547997c728cdf35390f6a017da56d654d374e4902206b643be2fc53763b4e284845bfea2c597d2dc7759941dce937636c9d341b71ed01",1709"0x41 0x0679be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG",1710"STRICTENC",1711"PUBKEYTYPE",1712"P2PK with hybrid pubkey"1713],1714[1715"0x00",1716"0x21 0x0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 CHECKSIG",1717"STRICTENC",1718"PUBKEYTYPE",1719"P2PK with invalid length for uncompressed key"1720],1721[1722"0x00",1723"0x41 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG",1724"STRICTENC",1725"PUBKEYTYPE",1726"P2PK with invalid length for compressed key"1727],1728[1729"0x47 0x30440220035d554e3153c14950c9993f41c496607a8e24093db0595be7bf875cf64fcf1f02204731c8c4e5daf15e706cec19cdd8f2c5b1d05490e11dab8465ed426569b6e92101",1730"0x41 0x0679be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG NOT",1731"",1732"EVAL_FALSE",1733"P2PK NOT with hybrid pubkey but no STRICTENC"1734],1735[1736"0x47 0x30440220035d554e3153c14950c9993f41c496607a8e24093db0595be7bf875cf64fcf1f02204731c8c4e5daf15e706cec19cdd8f2c5b1d05490e11dab8465ed426569b6e92101",1737"0x41 0x0679be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG NOT",1738"STRICTENC",1739"PUBKEYTYPE",1740"P2PK NOT with hybrid pubkey"1741],1742[1743"0x47 0x30440220035d554e3153c04950c9993f41c496607a8e24093db0595be7bf875cf64fcf1f02204731c8c4e5daf15e706cec19cdd8f2c5b1d05490e11dab8465ed426569b6e92101",1744"0x41 0x0679be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG NOT",1745"",1746"OK",1747"P2PK NOT with invalid hybrid pubkey but no STRICTENC"1748],1749[1750"0x47 0x30440220035d554e3153c04950c9993f41c496607a8e24093db0595be7bf875cf64fcf1f02204731c8c4e5daf15e706cec19cdd8f2c5b1d05490e11dab8465ed426569b6e92101",
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