Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract https://tetrabookmarks.com/story20377088/not-known-details-about-blockchain-explorer-usdt-trc20-https-independent-academia-edu-drewandreassen4