Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bbsocialclub.com/story22827743/explorer-blockchain-tron-an-overview-https-vuf-minagricultura-gov-co-lists-informacin-20servicios-20web-dispform-aspx-id-11784754