The scrypt-derived yescrypt participated alongside argon2 in the PHC[1], and argon2 was chosen in favour of it – mainly because scrypt is a bloody complex mess

The scrypt-derived yescrypt participated alongside argon2 in the PHC[1], and argon2 was chosen in favour of it – mainly because scrypt is a bloody complex mess to implement –, but yescrypt is still recommended if you need backwards compatibility with it. [1](https://password-hashing.net/ https://password-hashing.net/)