{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prevent consensus nodes from participating in consensus activities again in a blockchain?","a":"Limiting block generation time: In the consensus mechanism, nodes are required to wait for a certain period of time before participating in consensus again after winning the  block generation. In this way, nodes cannot continuously generate blocks in a short period of time, thereby reducing the risk of malicious behavior."}]}],"pr":"fdd88197570bf6872a4e3fb9055b50224f30e72cfe2580db3a2fe4e6af134eb6"}