Short for Number only used once. All blocks within a blockchain feature an encrypted nonce, which is also known as being hashed. Blockchain miners use computers to solve the mathematical computations to determine this nonce, receiving a reward for uncovering the solution. Has an entirely different meaning in English slang… be careful where you use this word!!
“Every transaction on the Ethereum blockchain has its own nonce. Praise be to @Vitalik.”« Dictionary Menu