Opcodes used in Bitcoin Script

Connor Murray — Tue, 02 Jun 2026 19:17:05 GMT

@@ Line 92: / Line 92: @@
 |Does nothing.
 |-
-|OP_VER '''DISABLED'''
+|OP_VER
 |98
 |0x62
 |Nothing
-|Protocol version
+|Transaction version
-|Puts the version of the protocol under which this transaction will be evaluated onto the stack.
+|Pushes the executing transaction's version onto the stack. The transaction version is the first four bytes of the transaction containing the executing script.
 |-
 |OP_IF
@@ Line 140: / Line 140: @@
 The top stack value is removed.</br>
 |-
-|OP_VERIF '''DISABLED'''
+|OP_VERIF
 |101
 |0x65
-|colspan="2"| '''DISABLED'''
+|comparison value (tos)
-| '''DISABLED'''
+|Nothing
 |-
-|OP_VERNOTIF '''DISABLED'''
+|OP_VERNOTIF
 |102
 |0x66
-|colspan="2"| '''DISABLED'''
+|comparison value (tos)
-| '''DISABLED'''
+|Nothing
 |-
 |OP_ELSE
@@ Line 383: / Line 385: @@
 |in size
 |Pushes the string length of the top element of the stack (without popping it).
 |}
@@ Line 469: / Line 492: @@
 |1 is subtracted from the input.
 |-
-|OP_2MUL  '''DISABLED'''
+|OP_2MUL
 |141
 |0x8d
 |in
 |out
-|The input is multiplied by 2. (This opcode is scheduled to be re-enabled in the Chronicle update)
+|The input is multiplied by 2.
 |-
-|OP_2DIV  '''DISABLED'''
+|OP_2DIV
 |142
 |0x8e
 |in
 |out
-|The input is divided by 2. (This opcode is scheduled to be re-enabled in the Chronicle update)
+|The input is divided by 2.
 |-
 |OP_NEGATE
@@ Line 559: / Line 582: @@
 |out
 |Logical right shift b bits. Sign data is discarded
 |-
 |OP_BOOLAND
@@ Line 820: / Line 857: @@
 |'''Transaction is invalid''' unless occuring in an unexecuted OP_IF branch
 |-
-|OP_NOP1, OP_NOP4-OP_NOP10
+|OP_NOP1, OP_NOP9, OP_NOP10
-|176, 179-185
+|176, 184-185
-|0xb0, 0xb3-0xb9
+|0xb0, 0xb8-0xb9
 |The word is ignored. Does not mark transaction as invalid.
 |}

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Opcodes used in Bitcoin Script