{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the common consensus mechanisms in blockchain?","a":"Delegated Proof of Stake (DPoS): This is  an improved version of the Proof of Stake mechanism that grants block recording rights through the selection of delegates by voters."}]}],"pr":"e5eaa6242fc80fd7054e7e0a1f33f8c7b60f49769e595c048bfca3fe693fabb4"}