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 actually be the 101st transaction submitted by this account) https://moodjhomedia.com/story3147601/the-ultimate-guide-to-eth-blockchain-explorer-https-www-webwiki-fr-cryptoexplorerhub-com