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WireGuard

WireGuard is a modern, fast and lightweight VPN protocol known for its tiny codebase, strong cryptography and excellent performance.

Last updated May 28, 2026

Definition

WireGuard is a modern VPN protocol designed to be faster, simpler and more secure than older options like OpenVPN and IPSec. Its codebase is tiny — a few thousand lines — which makes it easier to audit and less prone to bugs.

Why it is popular

WireGuard uses state-of-the-art cryptography and a streamlined handshake, delivering faster connection times, higher throughput and better battery life on mobile. Most leading VPN providers now offer it, sometimes under their own branding.

Examples

1

Connecting to a VPN server using the WireGuard protocol for faster speeds

2

A provider offering WireGuard alongside OpenVPN in its app

Common Use Cases

High-speed VPN connections
Mobile VPN with low battery impact
Self-hosted personal VPNs

Frequently Asked Questions

Generally yes. Its lean design and modern cryptography deliver higher throughput and quicker connections than OpenVPN in most tests.
Yes. It uses modern, well-regarded cryptographic primitives, and its small codebase is far easier to audit than older protocols.

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