{"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":"7190c4c62bc3c2c215fdf934a54c4841e632fa8d8ff8eb944fcc1d18208f7db8"}