{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are chain upgrade proposals managed in blockchain?","a":"Chain upgrade proposals in blockchain are primarily managed through consensus mechanisms. In a blockchain network, nodes hold regular meetings to discuss and evaluate related proposals for chain upgrades. These proposals may include optimizing blockchain protocols, improving node consensus algorithms, and  enhancing system performance. Participating nodes vote on the proposals, and the upgrade plan is adopted based on the voting results. The consensus mechanism ensures the safety and fairness of the upgrade process, avoiding the impact of a single node on the entire network, thus ensuring the continuous development and evolution of the blockchain system. Different blockchain projects may have different consensus mechanisms, such as the Proof of Stake (PoS) in Ethereum and the Proof of Work (PoW) in Bitcoin."}]}],"pr":"3aa085dd995c8fdaf7c255acef5413fb96de889d3cf3540289c3614423821e9b"}