{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the key steps in upgrading a blockchain?","a":"Consensus  Algorithm Optimization: The consensus algorithm is a core component of blockchain technology, affecting the security and stability of the entire network. To improve the performance of the blockchain, developers need to continuously optimize the consensus algorithm, such as transitioning from Proof of Work (PoW) to Proof of Stake (PoS)."}]}],"pr":"0664965994c55249ca247b3e8640347e7f5747440ef5aa38dea40f6b4a59598f"}