Bitcoin payments can be made either through Bitpay by selecting "Bitcoin" as payment method on checkout/invoice page or by selecting Altcoins. To pay with altcoins, select 'Altcoins' as the payment method in the checkout/invoice page. 

The following altcoins are accepted as payment methods for our VPN service: Ethereum, Litecoin, Dash, Dogecoin, Monero, Ripple and some more.