# Fiat--Shamir with Proof-of-work for verifier messages
This crate is an extension of the Sponge FiSh library that provides support for challenges computed via grinding or proof-of-work mechanisms.
It allows proof-of-work-based challenge generation within multi-round public coin protocols.
## Security Disclaimer and Expectations
⚠️⚠️⚠️⚠️ THIS CRATE IS AN EXPERIMENT AND NOT READY FOR PRODUCTION USE ⚠️⚠️⚠️⚠️
It has not been reviewed, and should be considered a proof-of-concept example that does not make any claim about security.