Block height - The block number and duration with the blockchain (in blocks) on creation of the present block Nonce - The transaction range for the from address (Keep in mind this starts off at 0 so a nonce of 100 would essentially be the 101st transaction submitted by this https://bookmarkusers.com/story20078893/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-webwiki-nl-cryptoexplorerhub-com