{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the consensus mechanisms in blockchain?","a":"Proof of Work (PoW): This is the earliest consensus mechanism applied to Bitcoin, which verifies transactions and creates new blocks by requiring nodes to solve a complex mathematical problem. The difficulty of the problem will be automatically adjusted according to the total computing power of  the network to keep the block generation rate at about one block every 10 minutes."}]}],"pr":"b583bf27f356a41fdd1ed7de673107746301e47a77b1b4b8695486577c6266a5"}