Bitcoin or bitcoin cash are accepted payment methods. They have openvpn instructions for openwrt at https://mullvad.net/en/help/openwrt-routers-and-mullvad-vpn

Bitcoin or bitcoin cash are accepted payment methods. They have openvpn instructions for openwrt at https://mullvad.net/en/help/openwrt-routers-and-mullvad-vpn/ https://mullvad.net/en/help/openwrt-routers-and-mullvad-vpn/ And their clients are open source: https://github.com/mullvad/mullvadvpn-app https://github.com/mullvad/mullvadvpn-app (sorry for not replying earlier!)