{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the specific types of consensus algorithms in blockchain, and how do they compare in terms of advantages and disadvantages?","a":"Proof of Stake (PoS): A consensus algorithm adopted by coins such as Peercoin and Ethereum 2.0. The advantage is its energy efficiency and high  performance, but the disadvantage is that it may lead to the"}]}],"pr":"39f5c8d3727d72cea63b70e4a226dba04744f40510588f887dc0be46a1a356e5"}