{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the security and privacy protection of digital identity?","a":"Consensus Mechanism: Blockchain employs a consensus mechanism to ensure the integrity and consistency of the distributed ledger. In the consensus process, participants must validate transactions and reach a  consensus before new data can be added to the ledger. This process"}]}],"pr":"7b45da0eeffa49adf66273b6d8a696949ad6fec55c72eae9a7842577e86b2154"}