{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of consensus mechanisms in different stages of the blockchain?","a":"Initial stage of blockchain: When blockchain technology was just emerging, the Proof of Work (PoW) consensus mechanism became the foundation of cryptocurrencies such as Bitcoin. The  PoW mechanism secured the trust in the blockchain network by having nodes compete to solve a complex mathematical problem to obtain the right to record transactions."}]}],"pr":"eab7c54850f2f0070fa817ce16a08570f90ca212788747f1b17f8ba0a7ccde6b"}