Pretty cool but paypal seems like easily scammable.
We're supporting a variety of payment options including local bank transfer, SWIFT, PayPal, and wire services.
As you say, there are issues with PayPal if you don't know if the buyer is trustworthy. We are aiming to build this trust by creating a RhinoSwap.com transaction profile (similar to eBay ratings) so that you can see how many transactions a buyer has completed, and how he/she was rated by the seller.
In the meantime, we are recommending that members try to use local bank transfer. This is safe, fast, and usually free. By completing the transaction in your local currency you will also avoid and foreign exchange fees.
Please give us a try and keep the feedback coming!