{"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":"Prevention of malicious behavior: The transaction expiration  mechanism can effectively prevent malicious actors from using expired transactions for fraud or attacks, thereby improving the overall security of the network."}]}],"pr":"18a071ccafdfcaf8d5a1b1c350528c29703acbb23bdabe952085aabf1cd0dc42"}