{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of network settings when setting up a blockchain node?","a":"Secure communication protocols: Use secure  communication protocols, such as TLS (Transport Layer Security) or SSL (Secure Sockets Layer), to encrypt"}]}],"pr":"1981777ecfdaba11813e59e1fe23d95a024b99d75795348ce631052edee02c13"}