Modafinilxl does not accept Mastercard or visa anymore. I tried PayPal and it would not take that either. Last choice besides bitcoin which I do not use was Zelle. I used Zelle. The Zelle payment goes through to some email address. I never received a confirmation and so far no proof of my purchase except the $227 taken out of my bank account by Zelle to that email address. I have sent several emails and now I’m not hearing anything back. Even when I emailed, I never was given a confirmation that my order was received and being processed. I was told they needed proof or something showing it went through. Well the money was taken out of my account last Sunday and I sent a copy of the $227 delivered and never heard anything more. Be careful because they are having issues with any payment other then maybe bitcoin but it seems I’m out $227 right now and will try to dispute this with my bank. Not a happy customer.