{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is a NONCE in a blockchain?","a":"In blockchain technology, NONCE (Number Used Once) is a one-time digital element primarily used to ensure the security of transactions in blockchain networks and  prevent double spending. The uniqueness of NONCE enhances its security in the encryption and decryption process, as it is only used once in each transaction, thereby reducing the risk of transaction cracking.↵↵In blockchain, NONCE is usually associated with the sender and receiver of the transaction, and together with other transaction information (such as timestamp, hash value, etc.), it generates a unique transaction identifier through an encryption algorithm. This helps to ensure the security and immutability of transactions in blockchain networks, as any attempt to tamper with the transaction will lead to changes in the unique transaction identifier, making it identifiable."}]}],"pr":"b5c88eeeaf49bd393c0aa5d88ba308b4e9e411458bf40ddfe34fa2091fdf0394"}