Block top - The block number and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction amount for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://health-lists.com/story21458301/what-does-blockchain-explorer-usdt-mean-https-www-lanubedocente-21-edu-ar-profile-fowlerrlwmooney1719-profile