Passwords are a secret word or string used to protect a resource by preventing access except to those users who hold the password. Questions tagged [password] are likely to refer to the strength of passwords, entropy, protection schemes such as hashing, appropriateness of password length and complexity, lockout systems, password self-reset functionality etc
Hashes for passwords
You should never store passwords in the clear.
As discussed at How to securely hash passwords, the following key derivation function algorithms (and not fast or unsalted raw hash functions), are recommended for storing passwords for later verification.: