Block top - The block selection and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://socialmediastore.net/story21373538/explorer-blockchain-tron-an-overview-https-www-blurb-com-user-optionname7