{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the steps involved in successfully restoring a blockchain upgrade?","a":"The successful restoration of a blockchain upgrade includes several steps:\\n\\n1. Backup the original blockchain data: Before the upgrade, a complete backup of the original blockchain  data is needed in case of accidental data loss during the upgrade process. \\n\\n2. Download and install the new version of blockchain software: During the upgrade process, the latest version of blockchain software needs to be downloaded and installed to ensure the nodes can run normally. \\n\\n3. Synchronize the new blockchain data: After installing the new version, the node needs to synchronize the new blockchain data, which may take a long time depending on the network conditions and the synchronization speed between nodes. \\n\\n4."}]}],"pr":"243d7baf92ddf5473b89433cefcf7eb7e11fc554ce17a5d288374936eb433ce9"}