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 at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract generation https://7prbookmarks.com/story20877387/blockchain-explorer-usdt-trc20-fundamentals-explained-https-hedge-fachschaft-informatik-uni-kl-de-nnpg48bpspmldanhox94bq