Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with 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://privatebookmark.com/story20229492/not-known-facts-about-blockchain-explorer-usdt-https-list-ly-churchkjeldsen86wpibju