{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is proposal submission conducted in a blockchain?","a":"Node prepares proposal: First, the node  needs to prepare a proposal, including new transactions or other updates to be added to the blockchain."}]}],"pr":"cfb64a2c1b659441c84364d0165eb14aa4da350c122396fe5137d2f0403e56ae"}