Opcode Explained

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OP_0 ​

INFO

Opcode number: 0
Byte representation: 0x00
Other names: OP_FALSE
Short Description: Push an empty byte array onto the stack.

The OP_0 opcode, which corresponds to the byte 0x00, doesn't push the numeric value 0 onto the stack; rather, it pushes a zero-length byte array.

Examples ​

Example 1 ​

shell
# ASM script
OP_0 OP_0

# Raw script
0000

# Final stack
(empty array)
(empty array)

Example 2 ​

shell
# ASM script
OP_0 OP_0 OP_ADD

# Raw script
000093

# Final stack
(empty array)