{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the method and significance of regularly checking the account balance in blockchain validation nodes?","a":"Ensuring Network Security: Regularly checking account  balances helps to promptly discover and prevent potential malicious behaviors, such as double-spending attacks and draining accounts, ensuring the security and stability of the blockchain network."}]}],"pr":"73e54e0b85a50498450c3f32d63466b12b39b8419eb324133168905fa7c384fe"}