Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (Keep in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://siambookmark.com/story20633843/not-known-facts-about-blockchain-explorer-usdt-http-www-stes-tyc-edu-tw-xoops-modules-profile-userinfo-php-uid-3693980