OP_2MUL multiplies the top item on the stack by 2. It takes the top item from the stack, interprets it as an integer, multiplies it by 2, and pushes the result back onto the stack. This operation is commonly used in Bitcoin scripts for various arithmetic operations.
OP_Code Walkthrough
Multiplies the top item on the stack by 2.
Pop the number from the stack
Multiply the number by 2
Push the result back onto the stack