{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the purpose of Messages in a Blockchain?","a":"Consensus Mechanism: In a distributed system, nodes need to  reach consensus to ensure the security and stability of the blockchain."}]}],"pr":"81ec9f8a7c613cf9395343adb400f4b8ee507fbe7d948b13024cac6f36ea7876"}