Thanks We'd like to thank Colin Percival, whose scrypt is the basis for yescrypt Niels Provos and David Mazieres, whose bcrypt inspired yescrypt's approach at GPU attack resistance at low memory settings All contributors to Password Hashing Competition, which yescrypt has been submitted to https://password-hashing.net PHC discussions mailing list has been very helpful in shaping up the design of yescrypt DARPA Cyber Fast Track