OP_SHA256 ​
INFO
Opcode number: 168
Byte representation: 0xa8
Short Description: Hash the top stack item using SHA256.
The OP_SHA256
opcode replaces the top stack item with its SHA256 hash. If the stack is empty the script fails.
Example ​
shell
# ASM script
OP_0 OP_SHA256
# Raw script
00a8
# Final stack
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855