{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the common types of consensus mechanisms in blockchain?","a":"Proof of Work (PoW): This is the earliest consensus mechanism, which achieves consensus by having miners solve a computational problem to prove  their contribution to the network."}]}],"pr":"056eb9df683992502813edc2f4855e22e90074d0f4ed537d6184dbd322af0f64"}