{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to utilize durable transaction random numbers to extend the signature time in blockchain?","a":"Set transaction signature time parameters: According to the characteristics of the blockchain  network, set an appropriate transaction signature time, such as several minutes or hours. This time parameter will be used to determine whether the transaction is completed within the specified time frame."}]}],"pr":"aba21dea61d3c5aeaafceb693b27261c3c2a099eb6a9b506b6f14f4bbf4e5d37"}