{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, what are the contents of the software upgrade proposal cancellation?","a":"Soft Fork: A soft fork refers to upgrading the software in a blockchain network without changing the blockchain protocol rules. Soft forks allow nodes to run different versions of software, but require most nodes to use the same version to maintain network consistency. In some cases, a soft fork  may require all nodes to upgrade to a new version to ensure network security and stability."}]}],"pr":"e8fd49bd1f33b95659d5571c640e34319cfbf29f9399b7fe647da2664b0ea633"}