If a hash is salted with a domain it won't be use-able on other websites. You should additionally hash the hash on the server, and if you store the client hashe

If a hash is salted with a domain it won't be use-able on other websites. You should additionally hash the hash on the server, and if you store the client hashes, you can update the salts on next-sign in. A better question is why clients should be sending unhashed passwords to servers in the first place. https://medium.com/the-coming-golden-age/internet-www-security-vulnerability-rfc-54a23b1ea113 https://medium.com/the-coming-golden-age/internet-www-securi...