{"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 Stake (PoS): Compared with PoW, PoS algorithm selects nodes for  accounting based on the amount and time of holding tokens. Representative projects include Peercoin, etc."}]}],"pr":"040d10984b0f2ca1765d12dfa70b1aa9d6436789a649d6ed7b628b53e22c29aa"}