{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible paths that may occur during the upgrade process of a blockchain?","a":"Technological innovation: The blockchain technology is constantly evolving, for example, from the original  Bitcoin blockchain to more advanced platforms such as Ethereum and Hyperledger. Technological innovation brings higher performance, more convenient development environments, and richer application scenarios."}]}],"pr":"efe589d7ab23a74339d75176e14af1e9de18d95291ca4d6770b46d683dafb01d"}