Opcodes de Bitcoin Script

Bitcoin Script est un petit langage à pile non-Turing-complet. Cette référence liste tous les opcodes — mot, octet hex, décimal, catégorie, statut et fonction — y compris ceux désactivés et les no-ops évolutifs qui permettent les soft forks. Les mots d’opcode et valeurs restent en anglais, source unique.

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Bitcoin Script est un petit langage à pile, intentionnellement non-Turing-complet : un script de verrouillage (scriptPubKey) fixe les conditions de dépense et un script de déverrouillage (scriptSig / witness) les satisfait. Cette référence liste les 113 opcodes — mot, octet hex, décimal, catégorie, statut et fonction. 15 sont désactivés (retirés en 2010 pour la sécurité), plusieurs emplacements sont réservés, et les no-ops évolutifs (OP_NOP1–NOP10) sont la façon dont des soft forks comme CLTV et CSV ont ajouté de nouvelles règles sans casser les anciens nœuds.

La plupart des scripts courants utilisent une poignée d'opcodes — OP_DUP, OP_HASH160, OP_EQUALVERIFY et OP_CHECKSIG construisent le P2PKH ; OP_CHECKMULTISIG, OP_CHECKLOCKTIMEVERIFY et OP_CHECKSEQUENCEVERIFY permettent le multisig et les verrous temporels ; Tapscript ajoute OP_CHECKSIGADD.

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Mot	Hex	Déc	Catégorie	Statut	BIP	Fonction
OP_0 / OP_FALSE	0x00	0	Constants	Enabled	—	Push an empty byte array (numeric/boolean zero) onto the stack.
OP_PUSHBYTES_1–75	0x01–0x4b	1	Constants	Enabled	—	The next opcode byte (1–75) is the number of subsequent bytes to push as data.
OP_PUSHDATA1	0x4c	76	Constants	Enabled	—	The next 1 byte is the length; push that many following bytes.
OP_PUSHDATA2	0x4d	77	Constants	Enabled	—	The next 2 bytes (LE) are the length; push that many following bytes.
OP_PUSHDATA4	0x4e	78	Constants	Enabled	—	The next 4 bytes (LE) are the length; push that many following bytes.
OP_1NEGATE	0x4f	79	Constants	Enabled	—	Push the number -1 onto the stack.
OP_RESERVED	0x50	80	Reserved	Reserved	—	Invalidates the script if executed (does nothing inside an unexecuted branch).
OP_1 / OP_TRUE	0x51	81	Constants	Enabled	—	Push the number 1 onto the stack.
OP_2	0x52	82	Constants	Enabled	—	Push the number 2 onto the stack.
OP_3	0x53	83	Constants	Enabled	—	Push the number 3 onto the stack.
OP_4	0x54	84	Constants	Enabled	—	Push the number 4 onto the stack.
OP_5	0x55	85	Constants	Enabled	—	Push the number 5 onto the stack.
OP_6	0x56	86	Constants	Enabled	—	Push the number 6 onto the stack.
OP_7	0x57	87	Constants	Enabled	—	Push the number 7 onto the stack.
OP_8	0x58	88	Constants	Enabled	—	Push the number 8 onto the stack.
OP_9	0x59	89	Constants	Enabled	—	Push the number 9 onto the stack.
OP_10	0x5a	90	Constants	Enabled	—	Push the number 10 onto the stack.
OP_11	0x5b	91	Constants	Enabled	—	Push the number 11 onto the stack.
OP_12	0x5c	92	Constants	Enabled	—	Push the number 12 onto the stack.
OP_13	0x5d	93	Constants	Enabled	—	Push the number 13 onto the stack.
OP_14	0x5e	94	Constants	Enabled	—	Push the number 14 onto the stack.
OP_15	0x5f	95	Constants	Enabled	—	Push the number 15 onto the stack.
OP_16	0x60	96	Constants	Enabled	—	Push the number 16 onto the stack.
OP_NOP	0x61	97	Flow control	Enabled	—	Does nothing.
OP_VER	0x62	98	Reserved	Reserved	—	Invalidates the script if executed.
OP_IF	0x63	99	Flow control	Enabled	—	Execute the following statements if the top stack value is true.
OP_NOTIF	0x64	100	Flow control	Enabled	—	Execute the following statements if the top stack value is false.
OP_VERIF	0x65	101	Reserved	Reserved	—	Invalidates the script even when inside an unexecuted branch.
OP_VERNOTIF	0x66	102	Reserved	Reserved	—	Invalidates the script even when inside an unexecuted branch.
OP_ELSE	0x67	103	Flow control	Enabled	—	Switch execution within an OP_IF / OP_NOTIF … OP_ENDIF block.
OP_ENDIF	0x68	104	Flow control	Enabled	—	Close an OP_IF / OP_NOTIF / OP_ELSE block.
OP_VERIFY	0x69	105	Flow control	Enabled	—	Mark the script invalid unless the top stack value is true; otherwise pop it.
OP_RETURN	0x6a	106	Flow control	Enabled	—	Mark the output provably unspendable; commonly used to embed up to 80 bytes of data.
OP_TOALTSTACK	0x6b	107	Stack	Enabled	—	Move the top item to the alt stack.
OP_FROMALTSTACK	0x6c	108	Stack	Enabled	—	Move the top alt-stack item back to the main stack.
OP_2DROP	0x6d	109	Stack	Enabled	—	Remove the top two stack items.
OP_2DUP	0x6e	110	Stack	Enabled	—	Duplicate the top two stack items.
OP_3DUP	0x6f	111	Stack	Enabled	—	Duplicate the top three stack items.
OP_2OVER	0x70	112	Stack	Enabled	—	Copy the pair of items two spaces back to the top.
OP_2ROT	0x71	113	Stack	Enabled	—	Move the fifth and sixth items to the top.
OP_2SWAP	0x72	114	Stack	Enabled	—	Swap the top two pairs of items.
OP_IFDUP	0x73	115	Stack	Enabled	—	Duplicate the top item only if it is non-zero.
OP_DEPTH	0x74	116	Stack	Enabled	—	Push the current number of stack items.
OP_DROP	0x75	117	Stack	Enabled	—	Remove the top stack item.
OP_DUP	0x76	118	Stack	Enabled	—	Duplicate the top stack item (core of P2PKH).
OP_NIP	0x77	119	Stack	Enabled	—	Remove the second-from-top item.
OP_OVER	0x78	120	Stack	Enabled	—	Copy the second-from-top item to the top.
OP_PICK	0x79	121	Stack	Enabled	—	Copy the n-th item (n from the top) to the top.
OP_ROLL	0x7a	122	Stack	Enabled	—	Move the n-th item (n from the top) to the top.
OP_ROT	0x7b	123	Stack	Enabled	—	Rotate the top three items.
OP_SWAP	0x7c	124	Stack	Enabled	—	Swap the top two items.
OP_TUCK	0x7d	125	Stack	Enabled	—	Copy the top item and insert it below the second item.
OP_CAT	0x7e	126	Splice	Disabled	—	Concatenate two byte strings. Disabled for security in 2010.
OP_SUBSTR	0x7f	127	Splice	Disabled	—	Return a substring. Disabled.
OP_LEFT	0x80	128	Splice	Disabled	—	Return the left substring. Disabled.
OP_RIGHT	0x81	129	Splice	Disabled	—	Return the right substring. Disabled.
OP_SIZE	0x82	130	Splice	Enabled	—	Push the byte length of the top item (without popping it).
OP_INVERT	0x83	131	Bitwise logic	Disabled	—	Bitwise NOT. Disabled.
OP_AND	0x84	132	Bitwise logic	Disabled	—	Bitwise AND. Disabled.
OP_OR	0x85	133	Bitwise logic	Disabled	—	Bitwise OR. Disabled.
OP_XOR	0x86	134	Bitwise logic	Disabled	—	Bitwise XOR. Disabled.
OP_EQUAL	0x87	135	Bitwise logic	Enabled	—	Push 1 if the top two items are byte-equal, else 0 (core of P2SH).
OP_EQUALVERIFY	0x88	136	Bitwise logic	Enabled	—	OP_EQUAL then OP_VERIFY — fail unless the top two items are equal.
OP_RESERVED1	0x89	137	Reserved	Reserved	—	Invalidates the script if executed.
OP_RESERVED2	0x8a	138	Reserved	Reserved	—	Invalidates the script if executed.
OP_1ADD	0x8b	139	Arithmetic	Enabled	—	Add 1 to the top number.
OP_1SUB	0x8c	140	Arithmetic	Enabled	—	Subtract 1 from the top number.
OP_2MUL	0x8d	141	Arithmetic	Disabled	—	Multiply the top number by 2. Disabled.
OP_2DIV	0x8e	142	Arithmetic	Disabled	—	Divide the top number by 2. Disabled.
OP_NEGATE	0x8f	143	Arithmetic	Enabled	—	Flip the sign of the top number.
OP_ABS	0x90	144	Arithmetic	Enabled	—	Absolute value of the top number.
OP_NOT	0x91	145	Arithmetic	Enabled	—	Push 1 if the top number is 0, else 0.
OP_0NOTEQUAL	0x92	146	Arithmetic	Enabled	—	Push 0 if the top number is 0, else 1.
OP_ADD	0x93	147	Arithmetic	Enabled	—	Add the top two numbers.
OP_SUB	0x94	148	Arithmetic	Enabled	—	Subtract the top number from the second.
OP_MUL	0x95	149	Arithmetic	Disabled	—	Multiply the top two numbers. Disabled.
OP_DIV	0x96	150	Arithmetic	Disabled	—	Divide. Disabled.
OP_MOD	0x97	151	Arithmetic	Disabled	—	Modulo. Disabled.
OP_LSHIFT	0x98	152	Arithmetic	Disabled	—	Left bit-shift. Disabled.
OP_RSHIFT	0x99	153	Arithmetic	Disabled	—	Right bit-shift. Disabled.
OP_BOOLAND	0x9a	154	Arithmetic	Enabled	—	Push 1 if both numbers are non-zero, else 0.
OP_BOOLOR	0x9b	155	Arithmetic	Enabled	—	Push 1 if either number is non-zero, else 0.
OP_NUMEQUAL	0x9c	156	Arithmetic	Enabled	—	Push 1 if the two numbers are equal, else 0.
OP_NUMEQUALVERIFY	0x9d	157	Arithmetic	Enabled	—	OP_NUMEQUAL then OP_VERIFY.
OP_NUMNOTEQUAL	0x9e	158	Arithmetic	Enabled	—	Push 1 if the two numbers are not equal, else 0.
OP_LESSTHAN	0x9f	159	Arithmetic	Enabled	—	Push 1 if the second number is less than the top.
OP_GREATERTHAN	0xa0	160	Arithmetic	Enabled	—	Push 1 if the second number is greater than the top.
OP_LESSTHANOREQUAL	0xa1	161	Arithmetic	Enabled	—	Push 1 if the second number is ≤ the top.
OP_GREATERTHANOREQUAL	0xa2	162	Arithmetic	Enabled	—	Push 1 if the second number is ≥ the top.
OP_MIN	0xa3	163	Arithmetic	Enabled	—	Push the smaller of the top two numbers.
OP_MAX	0xa4	164	Arithmetic	Enabled	—	Push the larger of the top two numbers.
OP_WITHIN	0xa5	165	Arithmetic	Enabled	—	Push 1 if x is within [min, max).
OP_RIPEMD160	0xa6	166	Cryptography	Enabled	—	Hash the top item with RIPEMD-160.
OP_SHA1	0xa7	167	Cryptography	Enabled	—	Hash the top item with SHA-1.
OP_SHA256	0xa8	168	Cryptography	Enabled	—	Hash the top item with SHA-256.
OP_HASH160	0xa9	169	Cryptography	Enabled	—	SHA-256 then RIPEMD-160 (address hashing).
OP_HASH256	0xaa	170	Cryptography	Enabled	—	Double SHA-256 of the top item.
OP_CODESEPARATOR	0xab	171	Cryptography	Enabled	—	Mark the point from which signature checks cover the script.
OP_CHECKSIG	0xac	172	Cryptography	Enabled	—	Verify a signature against a public key over the transaction.
OP_CHECKSIGVERIFY	0xad	173	Cryptography	Enabled	—	OP_CHECKSIG then OP_VERIFY.
OP_CHECKMULTISIG	0xae	174	Cryptography	Enabled	—	Verify m-of-n signatures (consumes one extra item — the off-by-one bug).
OP_CHECKMULTISIGVERIFY	0xaf	175	Cryptography	Enabled	—	OP_CHECKMULTISIG then OP_VERIFY.
OP_NOP1	0xb0	176	Reserved (NOP)	Reserved	—	Upgradeable no-op reserved for a future soft fork.
OP_CHECKLOCKTIMEVERIFY (OP_NOP2)	0xb1	177	Locktime	Enabled	BIP65	Fail unless the output is spent at or after an absolute time/height (CLTV).
OP_CHECKSEQUENCEVERIFY (OP_NOP3)	0xb2	178	Locktime	Enabled	BIP112	Fail unless a relative lock-time has elapsed (CSV).
OP_NOP4	0xb3	179	Reserved (NOP)	Reserved	—	Upgradeable no-op reserved for a future soft fork.
OP_NOP5	0xb4	180	Reserved (NOP)	Reserved	—	Upgradeable no-op reserved for a future soft fork.
OP_NOP6	0xb5	181	Reserved (NOP)	Reserved	—	Upgradeable no-op reserved for a future soft fork.
OP_NOP7	0xb6	182	Reserved (NOP)	Reserved	—	Upgradeable no-op reserved for a future soft fork.
OP_NOP8	0xb7	183	Reserved (NOP)	Reserved	—	Upgradeable no-op reserved for a future soft fork.
OP_NOP9	0xb8	184	Reserved (NOP)	Reserved	—	Upgradeable no-op reserved for a future soft fork.
OP_NOP10	0xb9	185	Reserved (NOP)	Reserved	—	Upgradeable no-op reserved for a future soft fork.
OP_CHECKSIGADD	0xba	186	Cryptography	Tapscript	BIP342	Tapscript-only: verify a signature and add 1 to an accumulator (batch multisig).

Source : Bitcoin Core script/script.h (enum opcodetype) et la référence Bitcoin Wiki Script. Connexe : registre des soft forks, index des BIP, tailles de transaction, types d'adresse. Voir le carrefour de données ouvertes.

La plupart des scripts courants utilisent une poignée d’opcodes. Ce jeu de données ouvert (CC BY 4.0) fait partie du catalogue de données ouvertes de D-Central.

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Dernière révision: 27 juillet 2026.