{"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":"cdc737563d0d56ed8784d37e8ba667f3eda7ba49ec1b4ed0708d333e12bc8bc2"}