{"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":"ad005a7618d8d92d1ed56d91041578fe2ca6562c5aaa320db7183bbbb643e2da"}