{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the technical principles of blockchain?","a":"Consensus Mechanism: Blockchain utilizes a consensus mechanism to reach agreement on the validity of transactions and ensure the integrity of the blockchain. The most well-known  consensus mechanism is the"}]}],"pr":"7e6e02fcce477674283c306e00c63a0ac32b1b57f7643e7a691b68fe58063119"}