{"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":"0e15c6d6cb269c186d42b67009e6e225d2b8c457580a7fbae26b971d4017219f"}