{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The ValidatorSigningInfo record in a blockchain contains information about the validator's public key, signature, and signing hash. This record is used to verify the authenticity and integrity of the transactions processed by the validator.","a":"The ValidatorSigningInfo record in the blockchain contains the following information: block height, validator number,  validator signature, difficulty target, timestamp, and random number. These details are used to ensure the security of transactions and the normal operation of consensus mechanisms in blockchain networks. Among them, block height is used to identify the position of the block in the blockchain, validator number and signature are used to verify the effectiveness of the block, difficulty target is used to measure mining difficulty, timestamp records the time when the block was created, and random number is used to ensure the randomness and security of the blockchain."}]}],"pr":"dcfc474a4134b0ab9a942c980fbaba374c887df9de11f656a30be3b07a19763d"}