+A One Time Password (OTP) is a [security](/wiki/security) code valid for only a single login session or transaction, offering enhanced protection against replay attacks. It forms a crucial part of strong [Two-Factor Authentication](/wiki/two_factor_authentication), significantly bolstering digital access safety.
+## See also
+- [Password](/wiki/password)
+- [Multi-Factor Authentication](/wiki/multi_factor_authentication)
+- [Cryptography](/wiki/cryptography)