How to trade a cryptocurrency for USD via the app:
1. Open the Newton mobile app and log into your account.
2. On the bottom right-hand corner of the dashboard, click on the green button with two arrows.
3. Using the dropdown menu in the Order Type, select either Market or Limit. Then in the lower field, select USD, and in the upper field, select the crypto you wish to sell.
4. Input either how much you wish to spend in USD in the lower field, or how much you wish to sell in the upper field.
5. Select Review Order.