{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the common 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 accounts."}]}],"pr":"fafa13e70d054a28aa8aff24a3884bc2b535102ca56ab14c2124d58b79c8342a"}