{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the fairness and impartiality of algorithms be ensured in blockchain?","a":"Consensus Algorithm: Blockchain systems use consensus algorithms to ensure the security and fairness of the network. There are various consensus algorithms, such  as Proof of Work (PoW), Proof of Stake (PoS), and Proof of Credible Work."}]}],"pr":"78eb322cccfb27b7a242b80a06b56cbffe9ea1a200d70ade2985d00881c60813"}