{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of the expiry mechanism in Solana's transactions?","a":"Protection of user rights: Expired transactions will be  automatically canceled, ensuring that users are not affected by outdated or unnecessary transactions. This helps to maintain the stability and reliability of the Solana network."}]}],"pr":"70bf7fdbc22641c077584e61ef0120f25fd6042dc88cc8181a7f980a832d36dd"}