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ProtonVPN is a virtual private network service developed by Proton AG, the Swiss company behind ProtonMail. Designed with privacy and security as primary goals, ProtonVPN aims to give users a way to browse safely on public Wi‑Fi, bypass regional restrictions, and protect their online activity from trackers and intrusive surveillance. Its combination of Swiss jurisdiction, a no-logs policy, and advanced technical features has made it a popular choice among privacy-minded users. Key features include strong encryption and modern VPN protocols. ProtonVPN supports WireGuard for fast, efficient connections, as well as OpenVPN and IKEv2. The service implements a kill switch and DNS leak protection to prevent accidental exposure of your real IP address. Many of its clients and apps are open source and have undergone independent security audits, which increases trust and transparency around how the apps function. A distinctive ProtonVPN capability is Secure Core, a multi-hop architecture that routes traffic through privacy-friendly countries (such as Switzerland and Iceland) before exiting to the wider internet. Secure Core is designed to protect against advanced network-based attacks and to make it harder for adversaries to trace user traffic back to its source. ProtonVPN also offers dedicated servers for P2P/torrenting and specialized servers for streaming and Tor over VPN functionality. ProtonVPN provides a free tier with limited server access and lower speeds, which is useful for testing the service without commitment. Paid plans unlock higher-speed servers, Secure Core, more simultaneous connections, and access to servers in many more countries. Pricing is competitive within the market, and Proton often bundles services with ProtonMail for users who want an integrated privacy suite. Performance is generally strong, especially when using WireGuard, though multi-hop Secure Core connections will add latency by design. Server availability and speeds are usually good for everyday tasks like browsing, streaming, and video calls, but as with any VPN, actual performance varies by server, location, and network conditions. There are some limitations to consider: the free plan is intentionally restricted, and advanced features require a paid subscription. Some users may find the higher-tier plans pricier than basic VPN alternatives. Occasional connection troubleshooting can be necessary depending on local network settings or ISP restrictions. Overall, ProtonVPN is a solid option for users who prioritize privacy, transparency, and security. Its Swiss base, audited open-source apps, and privacy-first features make it particularly attractive to journalists, activists, and privacy-conscious everyday users. Try the free plan to evaluate speed and usability, then consider a paid tier if you need faster performance and advanced protections like Secure Core.