{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to check the balance of an account in a blockchain?","a":"Obtain blockchain data: Through  the block query interface of the blockchain or a wallet software, obtain all transaction records related to the account. These transaction records contain the incoming and outgoing transactions of the account."}]}],"pr":"34f8f3f7b988d93cde758692a150b1d75d3c45afab4ab51d3d3f82b5da354b5f"}