{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to generate unsigned transaction files in a blockchain?","a":"Calculate transaction hash: Use hash algorithms such as SHA-256 to perform hash operations on the transaction structure, generating the hash value of the transaction.  This hash value serves as the unique identifier of the transaction."}]}],"pr":"bf61ab0a1ae7b3f248bdce11c77808b3a968b54af2205ae5bdaac0c189a1951d"}