{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the common allocation operations in a blockchain?","a":"Transaction Fees: In blockchain systems, transaction fees are charged to cover the costs of processing and validating transactions. These fees are usually paid to the miners who validate the transactions."}]}],"pr":"003f049215929102441155cdcd2e471c64ce9c153a929acac2f74b17a0b7572b"}