{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the types of consensus mechanisms in blockchain?","a":"Proof of Work (PoW): This is a consensus mechanism used in cryptocurrencies such as Bitcoin. It requires nodes to prove that they have done enough work by solving a complex mathematical problem to receive  block rewards. The difficulty of solving the problem will automatically adjust according to the total computing power of the network to keep the speed of block generation at about one block per 10 minutes."}]}],"pr":"afb6f53dd507abfd1fe589736daab7a51ccf4ea13bcc7dbea47163730b4c143b"}