Sorry for your loss. You should never use a service without any reputation and nothing to lose if they get several scam accusations.

So many things could go wrong when using such services. Isolated staffs could scam you if you make a huge enough deposit like you did or the entire service could be a scam ripping users off in isolated cases so it does not get too much traction.

Do you know what your address on oxpay was? With that you can try tracking if your finds were sent to a centralized exchange.

- Jay -