Block top - The block range and duration of your blockchain (in blocks) on generation of the present block Nonce - The transaction quantity for your 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://bookmarks-hit.com/story22847790/5-essential-elements-for-blockchain-explorer-ethereum-https-www-webwiki-co-uk-cryptoexplorerhub-com