{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the common consensus mechanisms in blockchain?","a":"Proof of Work (PoW): This is the earliest proposed consensus mechanism.  Miners prove their contribution to the network by solving a computational problem to obtain the right to record blocks."}]}],"pr":"c7565f1f69aaaf138f7175e37042cd970740cb15adc3df25847631f4058ea9c7"}