Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this begins at 0 so a nonce of one hundred would basically be the a hundred and first transaction https://socials360.com/story11148913/blockchain-explorer-usdt-trc20-fundamentals-explained-https-peatix-com-user-27717689