{"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":"4179b8091b2cd5b7f91c41d6b7a0453f9abbbcc3ebef9143ef3fa2078c1162d1"}