Block top - The block variety and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction range for your from address (bear in mind this starts off at 0 so a nonce of 100 would truly be the one hundred and first transaction https://expressbookmark.com/story20591096/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-holycrossconvent-edu-na-profile-rosenberghbnborg32409-profile