{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The key files during the blockchain upgrade process are:","a":"The key files in the blockchain upgrade process mainly include: chain codes (Smart Contracts), client upgrade modules, consensus algorithm-related files, encryption algorithm-related files, P2P  network communication protocol-related files, and system configuration files, etc. These files together ensure that the blockchain system can achieve higher performance, security, and scalability during the upgrade process."}]}],"pr":"4cf73149ac12d7170614f97d465b62feee25832287e9bb75fcb721ac6021d0cc"}