{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain improve the security of transactions?","a":"Consensus mechanism: The consensus mechanism in blockchain networks (such as proof of work and  proof of stake) ensures the legality and security of transactions. The consensus mechanism requires nodes to spend computing power to verify transactions, making it difficult for malicious nodes to attack the network."}]}],"pr":"998a8916da8f495398bed9864afb0de209de86c6ca90564860680fab8f03d5ea"}