Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://social4geek.com/story5862519/explorer-blockchain-base-an-overview-http-www-stes-tyc-edu-tw-xoops-modules-profile-userinfo-php-uid-3693980