OP_NUMNOTEQUAL

(158 | 0x9e)

Input

2 items

|

Output

1 items

The inverse of OP_NUMEQUAL, OP_NUMNOTEQUAL checks whether the top two items on the stack are numerically unequal. It pushes 1 (true) if they are not equal, and 0 (false) if they are equal. This opcode is used in conditions where inequality is a key factor in the script's logic.

OP_Code Walkthrough

Compares the top two items of the stack for inequality

Pop Top Item a

Pop Top Item b

Check if a is not equal to b

Push Result

Used In

P2PKH (pay to public key hash)

Description

The most basic script for a direct transfer. Rarely used, but a good starting point.

Times Used

0x38ADD1aD...

Example

14