{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the default verification parameters for the spot market in blockchain?","a":"The default validation parameters in the spot market within a blockchain mainly include transaction hash, timestamp, index, and signature. These validation parameters are used to ensure the effectiveness  and security of transactions. Specifically, transaction hash is used to uniquely identify a transaction, timestamp is used to record the time when the transaction occurred, index is used for sorting and searching transactions, and signature is used to verify the authenticity and integrity of the transaction. Based on these validation parameters, the blockchain system can also introduce other parameters according to actual needs, such as transaction amount, addresses of the parties involved in the transaction, etc."}]}],"pr":"6d82ea983a0e42806a80b227ea9826f55e5fe8dad0d9ceaf7e646d9627ddd4ab"}