{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to create a versioned transaction in a blockchain?","a":"According to the rules of the blockchain network, each transaction has a version  number. The version number is usually an integer used to distinguish different versions of transactions. The process of generating a transaction version usually includes encrypting and hashing the transaction data."}]}],"pr":"9798e05bbc2696539e2b0cf2e762d46a97e658bb5d181a513c9fdc6b89a2c8de"}