Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would truly be the a hundred and first transaction https://iwanttobookmark.com/story20664744/blockchain-explorer-search-an-overview-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com