{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do RPC nodes in a blockchain handle the expiry of transactions?","a":"Ensuring security: When handling expiry issues, RPC nodes must ensure the security of the  system. This can be accomplished by adopting secure communication protocols, encrypting data, and implementing access control mechanisms.↵↵...↵↵Please provide the remaining content to be translated."}]}],"pr":"df5b5da588cd1c489720bedaff08f5cbe71c97ade3bfe754fcfac6b8a4f8f836"}