{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to used car transactions?","a":"Decentralized transaction: Through the decentralized feature of blockchain technology, buyers and sellers can carry out direct  transactions, reducing the risks and costs of intermediary links. On the blockchain platform, transaction information is transparent and secure, which helps to improve transaction efficiency."}]}],"pr":"83ab0cf7cf9e1bea106752ef76face5ee6addeb5578fc04b4e3c5d90dc7b4b80"}