Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://dmozbookmark.com/story20678501/blockchain-explorer-tron-secrets-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086