Opcodes · stack · enabled

OP_TOALTSTACK (0x6b)

Moves the top item to the alternate stack.

Verified
Stack in → out
x → ∅
Since
Original Bitcoin script
Cost
Base instruction cost 100.
Bitcoin status
Same in Bitcoin (BTC)

Example

<1> OP_TOALTSTACK OP_FROMALTSTACK

Step through it opcode by opcode in Bitauth IDE, the in-browser BCH VM debugger.

Sources

  1. Libauth BCH_2023_05 opcodes (bch-2023-opcodes.ts)