{"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":"979e09a00127a84d740da8172ba459c51677cef6e16487ffaca60a22b5e8c6dd"}