Can I pay in USD or any other currency? Main FAQ's About Platform Usage Can I pay in USD or any other currency? < All Topics All purchases on the Idoneus Platform are made with IDON. Once you are a verified user of our platform, you can purchase IDON with USD, CHF, EUR, major cryptocurrency or other acceptable currency. Depending on the specific asset, standard fees that are due to local governments / jurisdictions may be payable in fiat cash.