Block top - The block number and duration on the blockchain (in blocks) on creation of the current block Nonce - The transaction number for your from address (Keep in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://kbookmarking.com/story20587076/indicators-on-blockchain-explorer-search-you-should-know-http-www-stes-tyc-edu-tw-xoops-modules-profile-userinfo-php-uid-3693980