{"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":"f12518d3e341b5b3a51ec857b658d2ffcd42f1fde01a230fceb6cc5e24c8b33b"}