{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the roles of consensus mechanisms in blockchain?","a":"Promote cooperation and trust: The consensus mechanism reduces the trust cost between nodes in the network, fostering a cooperative and trustworthy environment. This encourages more nodes to participate in the blockchain ecosystem and strengthens the overall stability and  resilience of the system."}]}],"pr":"d04586628e1981ea3f62a689ce42825f45b83e204428e396997b6050ec579ab2"}