{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the roles of consensus mechanisms in blockchain?","a":"The consensus mechanism ensures consistency among all nodes by regulating the processing of data and transactions on the blockchain. This  helps prevent double spending and other malicious behaviors, safeguarding the security and reliability of the blockchain network."}]}],"pr":"e2b9a841cce9f2590de382cbeb4129f0c7533de2915f922c6e221136055f6a1a"}