Nonce
Also known as Number Once. This is a randomly/semi-randomly generated number that is used in cryptographyCryptography is the encryption mechanism used to secure cryp... More to protect the privacy of messages. The US Department of Commerce’s National Institute of Standards and Technology (NIST) defines a cryptographic nonce as, “A random or non-repeating value that is included in data exchanged by a protocol, usually for the purpose of guaranteeing the transmittal of live data rather than replayed data, thus detecting and protecting against replay attacks”.
Note: These are non-technical definitions meant for a general audience and should not be used as legal definition