Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the 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://ledbookmark.com/story5929869/the-best-side-of-explorer-blockchain-usdt-https-www-saludcapital-gov-co-sitios-vigilanciasaludpublica-lists-contactenos-dispform-aspx-id-2972663