Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://privatebookmark.com/story20672054/the-definitive-guide-to-explorer-blockchain-ethereum-https-www-giveawayoftheday-com-forums-profile-1172807