Block top - The block number and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction amount for that from address (Remember this starts at 0 so a nonce of 100 would in fact be the one hundred and first transaction submitted by https://bookmarks-hit.com/story23337146/what-does-eth-blockchain-explorer-mean-https-www-webwiki-ch-cryptoexplorerhub-com