Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of one hundred would in fact be the a hundred and first https://vuf.minagricultura.gov.co/Lists/Informacin%20Servicios%20Web/DispForm.aspx?ID=11784754