OP_1 ​

The OP_1 opcode, which corresponds to the byte 0x51, pushes the number 1 onto the stack. OP_1` is a fundamental opcode in Bitcoin Script, enabling a variety of operations and serving as a building block for more complex scripts.

Examples ​

Example 1 ​

# ASM script
OP_1 OP_1

# Raw script
5151

# Final stack
1
1

Example 2 ​

# ASM script
OP_1 OP_1 OP_ADD

# Raw script
515193

# Final stack
2