OP_SHA1

INFO

Opcode number: 167
Byte representation: 0xa7
Short Description: Hash the top stack item using SHA1.

The OP_SHA1 opcode replaces the top stack item with its SHA1 hash. If the stack is empty the script fails.

Note that SHA1 is not considered a secure hash function anymore.

Example

# ASM script
OP_0 OP_SHA1

# Raw script
00a7

# Final stack
da39a3ee5e6b4b0d3255bfef95601890afd80709