OP_2SWAP is a stack manipulation opcode that swaps the positions of the top two pairs of items on the stack. This operation is useful when rearranging stack items is necessary for proper execution of subsequent operations, particularly in complex scripts.
OP_Code Walkthrough
Swaps the positions of the top two pairs of items on the stack.
Pop Top 2 Pairs of Items
Pop Top 2 Pairs of Items
Push First Popped 2 Pairs
Push Second Popped 2 Pairs