ProtonVPN was launched in 2017 with a mission to help the Internet live up to its promise of freedom of information. To keep that mission alive, we are supporting the development of WireGuard, a new VPN protocol.

We are celebrating this holiday season by supporting organizations that align with our mission of providing online security and privacy to everyone. You can donate directly to WireGuard’s development (link below), or you can participate in the associated ProtonMail Lifetime account charity auction.

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Millions of people rely on ProtonVPN every day to keep their online activity secure and private. However, to maintain this level of security, we must continuously update and upgrade our software and protocols. We are committed to staying at the forefront of technological developments, and that’s why we are following WireGuard’s development closely. We feel that WireGuard, a new open-source VPN protocol, could be instrumental in building a better VPN.

What makes WireGuard® interesting?

WireGuard® is a next-generation secure tunneling protocol that has streamlined its code down to just a few thousand lines. This makes it much simpler than earlier VPN protocols, such as IPsec and OpenVPN. Fewer lines of code make the WireGuard protocol easier to deploy, easier to use, and easier to audit. This increased simplicity also means WireGuard has increased security, higher performance, and is very resource efficient.

This improved efficiency places less load on VPN servers, allowing for a server to theoretically reach a higher maximum speed. These reduced loads mean that a single server could support more users, and those individual users could achieve higher average speeds. In this regard, WireGuard compares favorably to OpenVPN, which maxes out at approximately 300 Mbps, even on faster connections. WireGuard can potentially overcome this “speed limit.”

Most importantly, WireGuard and its cryptography have been formally evaluated and verified by several research groups. Their findings have convinced us that WireGuard is secure enough to be considered for ProtonVPN.

When will WireGuard come to ProtonVPN?

We have already set up the first WireGuard ProtonVPN servers for internal testing and experimentation, but it will be some time before we do a public deployment. As far as VPN protocols go, WireGuard is still very new. Bugs and other instabilities could still exist, and there are not many software libraries that support WireGuard. Support within mainline Linux distributions is also still in progress.

Today, ProtonVPN provides native clients on Windows, macOS, Android, and iOS, and to fully support WireGuard, the protocol would need to mature on all those platforms. In short, there is quite a bit of work ahead (not all of it dependent on us) before WireGuard can reach the same level of compatibility as legacy protocols like OpenVPN and IKEv2, and be ready for deployment to millions of users.

However, the advantages of WireGuard are compelling, and for this reason, we are keen to support the development of the protocol, which is why this year, we have been raising money for the WireGuard developers. You can learn more about the WireGuard project and how we are supporting them here.

We look forward to supporting WireGuard just as we’re happy to support any open-source project that increases the public’s access to strong encryption. These projects bring us ever closer to our goal of a secure, private, and free Internet.

Best Regards,

The ProtonVPN Team

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