Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Remember this starts off at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract https://minibookmarks.com/story20767052/the-best-side-of-explorer-blockchain-usdt-https-www-saludcapital-gov-co-sitios-vigilanciasaludpublica-lists-contactenos-dispform-aspx-id-2972663