{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do the voting operations work for upgrading a blockchain?","a":"Discuss and review the proposal: Next, the blockchain community will discuss and review the upgrade proposal. This process usually takes place on consensus nodes within  the blockchain to ensure the rationality and feasibility of the proposal."}]}],"pr":"b4e3df2b8b1b5791e953c9f49f9e793a0558480c5efcb47262fe5fcf723e14db"}