{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the main risks involved in the process of upgrading a blockchain version?","a":"Consensus risks: Version upgrades may render the existing consensus algorithm obsolete and require redesign and adjustment. If the new consensus algorithm fails to achieve the  expected effect, it could impact the stability and development of the blockchain."}]}],"pr":"22337fc9d9666370a1296761da2d734919a6e4c8b91ba7331c0de071cfeccb46"}