Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://mediajx.com/story25061345/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com