Block top - The block selection and length of your blockchain (in blocks) on generation of the current block Nonce - The transaction number for your from address (Keep in mind this starts off at 0 so a nonce of a hundred would essentially be the one hundred and first https://socialbuzzfeed.com/story6210469/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-lanubedocente-21-edu-ar-profile-fowlerrlwmooney1719-profile