{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the three types of nodes on the TRON network?","a":"Backup Node: When authority nodes fail or cannot function normally, backup nodes can take over the responsibilities of authority nodes to ensure the normal operation  of the TRON network. Backup nodes are also responsible for synchronizing blockchain data so that when a network fork occurs, they can"}]}],"pr":"5d763441cded937aabf66e07954dcce425e1c4a202408f58b30502706b493592"}