Block top - The block selection and duration on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://pr1bookmarks.com/story21348560/top-blockchain-explorer-confirmed-transactions-secrets-http-www-stes-tyc-edu-tw-xoops-modules-profile-userinfo-php-uid-3693980