Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://bookmarksea.com/story20677953/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-md-farafin-de-0k9kbddstjwuieqthhbjgg