{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the timing and criteria for determining the upgrade of blockchain versions?","a":"Technical development:  With the development of blockchain technology, new consensus algorithms, encryption technologies, cross-chain technologies, and other emerging technologies emerge. In order to meet market demands and improve system performance, the team will upgrade the blockchain version based on the development of technology."}]}],"pr":"bffc4baa7330d920b5c5c720759b7dd8c46b0315a7394555b016578bdefdd681"}