{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the types of consensus algorithms in blockchain?","a":"Proof of Work (PoW): This is an algorithm that Competes for account rights through calculation, such as Bitcoin, Ethereum, Litecoin, and Zcash. The PoW  algorithm requires nodes to perform a large amount of calculation to solve a complex mathematical problem in order to obtain account rights. The advantage is good randomness and fairness, but the disadvantage is high energy consumption."}]}],"pr":"dd22d8790c84b906a4c9c35df8b0cb85d68d312f6d661cd9e8bcf3885f96e06a"}