{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain execute version upgrades?","a":"Release of Upgrade Proposal: Developers or blockchain project teams will publish  upgrade proposals, detailing the purpose, scope, features, and improvements of the upgrade. This proposal needs to be voted on and approved by network nodes to ensure that the upgrade aligns with the interests of the blockchain community."}]}],"pr":"bb5702374b95576d44df8a7dcd3dbdd4021c98a842f0d6ed84d49342f9e60695"}