Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount 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://bookmarklethq.com/story20457539/a-review-of-blockchain-explorer-usdt-https-www-woorips-vic-edu-au-profile-jessenisrgibbons96537-profile