Block height - The block number and duration of your blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmark-master.com/story20561535/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-webwiki-co-uk-cryptoexplorerhub-com