{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the factors affecting the upgrade of blockchain versions?","a":"Technological  advancement: With the continuous development of blockchain technology, new technologies and consensus algorithms emerge, such as PoW, PoS, etc. In order to improve system performance, reduce energy consumption, and enhance security, blockchain project parties will continuously upgrade existing technologies, thus affecting the blockchain version."}]}],"pr":"7f7c47a8e41dda849f6a255ad8a495beda09bfc0977e20b35e2800d98bb0851d"}