{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do users cancel a software upgrade proposal on the blockchain?","a":"Find the proposal: First, users need to search for the corresponding software upgrade proposal in a blockchain browser. Generally, these proposals will be contained in the transaction records  on the blockchain, and users can locate specific proposals by the hash value or title of the proposal."}]}],"pr":"37b2ba8c0fd1083c4be44719fe22fb7c7055b0564d5925c4095a8ab5df171998"}