Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this begins at 0 so a nonce of one hundred would in fact be the a hundred and first https://friendlybookmark.com/story20412909/blockchain-explorer-usdt-trc20-fundamentals-explained-http-www-stes-tyc-edu-tw-xoops-modules-profile-userinfo-php-uid-3693980