Block top - The block number and duration in the blockchain (in blocks) on development of the present block Nonce - The transaction number for that from address (Remember this starts off at 0 so a nonce of 100 would basically be the a hundred and first transaction submitted by https://nowbookmarks.com/story20645744/what-does-blockchain-explorer-usdt-mean-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086