Block top - The block selection and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (Keep in mind this begins at 0 so a nonce of one hundred would basically be the one hundred and first transaction https://bookmarkmargin.com/story20211933/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-holycrossconvent-edu-na-profile-rosenberghbnborg32409-profile