Block top - The block selection and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of one hundred would basically be the one hundred and first transaction https://xyzbookmarks.com/story20362777/what-does-blockchain-explorer-usdt-mean-https-www-blurb-com-user-optionname7