{"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":"389f33dd74b777896bdafac80cf04e29122361fb7bc0a97933f5150f688b8d77"}