Block top - The block number and length from the blockchain (in blocks) on development of the current 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://bookmarksaifi.com/story20774755/not-known-facts-about-blockchain-explorer-usdt-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092