Password hashing is the process of converting a plain-text password into a fixed-size string of characters, which is typically a sequence of letters and numbers, using a mathematical algorithm. This transformation enhances security by ensuring that the actual passwords are not stored in a database, reducing the risk of exposure in the event of a data breach. The use of cryptographic hash functions makes it difficult to reverse-engineer the original password from its hash, thereby protecting user credentials and enhancing user authentication practices.
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