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 (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkunit.com/story20570078/the-definitive-guide-to-explorer-blockchain-ethereum-https-www-giveawayoftheday-com-forums-profile-1172807