Block top - The block quantity 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://bookmarkshq.com/story21978054/top-guidelines-of-eth-blockchain-explorer-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com