Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this begins at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://wiishlist.com/story21545439/blockchain-explorer-usdt-trc20-fundamentals-explained-https-en-unidos-edu-uy-profile-colekcikrause19011-profile