{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the common types of consensus mechanisms in blockchain?","a":"Proof of Stake (PoS): The basis of this consensus mechanism is for users to mortgage their assets to prove their identity, thereby obtaining  the right to record transactions."}]}],"pr":"a62d982df24ba775637208dbe65cc1a0935f57812f56e37632939c5320aa7c82"}