checkproof(1)

# NAME

*checkproof* - verify a proof-of-work challenge

# SYNOPSIS

*checkproof* _challenge_ _proof_

# DESCRIPTION

*checkproof* verifies a proof-of-work challenge which has been completed by
*mkproof*(1). The result will be printed to stdout. If valid, *checkproof* will
exit with a zero status code. If the proof is invalid, it will exit with a
status code of 1. If any other usage error, it will exit with a status code of
2.