In general, though, WireGuard offers rock-solid security with leading-edge speeds, and it's a great protocol to try first. You may be able to use WireGuard by installing OpenWRT (opens in new tab), but that's another article altogether. If your router supports VPNs, for instance, it's far more likely to use OpenVPN. It's also not as well supported by VPN providers, or other devices. WireGuard isn't as flexible as OpenVPN, for example, and it may have more difficulty bypassing firewalls or getting online in VPN-unfriendly countries - trying to use your VPN in China (opens in new tab), for example. Take a look at our fastest VPNs (opens in new tab) countdown, and the top players all feature WireGuard (or at least a proprietary version based on it). Connection times can be just a couple of seconds (down from 10-20 seconds with some protocols), and in recent testing WireGuard's download speeds were at least twice as fast as anything we saw from OpenVPN. Switching to WireGuard should give you a very noticeable difference in performance, though. But, as that's as secure as it gets, will you care very much? We suspect not. Connect with OpenVPN, for instance, and your traffic might be encrypted via AES, Camellia, ChaCha20, Poly1305, GOST 28147-89 and more connect with WireGuard and it'll only get to use ChaCha20. Most users won't notice any difference in functionality. A real positive is the protocol is all about simplicity, throwing out much of OpenVPN's feature overload in favor of a stripped-back, minimalist design (more on that below).
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