{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do durable transactions and random numbers in blockchains help extend the signature time of transactions?","a":"Increase the complexity of transaction verification: Durable transaction random numbers introduce uncertainty,  making it difficult for attackers to predict."}]}],"pr":"4b1f0d8c7b5a0d914b4363c9620c3f9c1d3ed9c253cd66f0fc46f3f4a4c75aae"}