Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the 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://getidealist.com/story22134688/top-guidelines-of-eth-blockchain-explorer-https-www-webwiki-nl-cryptoexplorerhub-com