{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the voting operations related to blockchain upgrades?","a":"Node mining: Participants (nodes) in the blockchain network obtain the probability of mining new blocks through calculation, a  process known as"}]}],"pr":"5d9803f5a18a378bb39da4ea10946a3ea4ee214137ecc3e7ec2bb2ea41f45551"}