A nonce is a number that can be used only once. To create a valid block, Miners compete to complete the Proof of Work (PoW) at the earliest. The Nonce is a random whole number, which is a 32-bit (4 bytes) field, which is adjusted by the miners so that it becomes a valid number to be used for hashing the value of the block.

This specific nonce that satisfies the mining requirement of the next block is called the “Golden Nonce”.

Here is the demo of blockchain, see the nonce changing when you mine the block:
https://demoblockchain.org/blockchain

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Ketan Gupta

Software Engineer, Marketing Expert, Helps you to create your dream project