{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you check the balance of an account in a blockchain?","a":"Choose a blockchain network, such as Bitcoin or Ethereum;\n2. Determine the account address to be queried;\n3. Obtain the block data of the blockchain network, including block height, block reward, transaction records, etc.;\n4. Analyze the transaction records, find the transactions  related to the target account;\n5. Calculate the balance of the target account based on the inputs and outputs in the transaction records;\n6. Update the balance of the target account."}]}],"pr":"e288026814d09b7c518974d91d0fe94369ea08e955a2bfb6c021a4c4e663d43b"}