{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you drive testnet validator nodes in a blockchain?","a":"Node consensus: Validator nodes need to reach consensus to determine whether  new blocks are valid. This is usually achieved through a mechanism called a"}]}],"pr":"a464e5651c00195fc4c109c6526b255e78777e4263f8ad813705c3dceb3c9a75"}