Block top - The block number and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://socialaffluent.com/story6285388/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-www-giveawayoftheday-com-forums-profile-1172807