Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of a hundred would basically be the one hundred and first transaction https://sociallweb.com/story5735303/getting-my-blockchain-explorer-ethereum-to-work-https-www-webwiki-de-cryptoexplorerhub-com