Block height - The block amount and size on the blockchain (in blocks) on development of the current block Nonce - The transaction amount for your from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmark-dofollow.com/story25286038/blockchain-explorer-usdt-trc20-fundamentals-explained-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com