Block top - The block selection and length of the blockchain (in blocks) on development of the present 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://checkbookmarks.com/story5919304/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-bbs-pku-edu-cn-v2-jump-to-php-url-https-cryptoexplorerhub-com