{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of transactions in blockchain?","a":"Consensus mechanism: Adopting secure  consensus mechanisms, such as Proof of Work (PoW) or Proof of Stake (PoS), to ensure the security and consistency of the blockchain network."}]}],"pr":"62f109e1a0ce85de944878635cb689917ffe68e25eb4e8276bbfe125b61c6105"}