Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the 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://bookmarking1.com/story20296579/not-known-facts-about-blockchain-explorer-usdt-https-www-demilked-com-author-brokerwhorl5