
Users admire Catapult Hydra for its efficient use of resources and ability to improve connection speeds, making it a popular choice for users who prioritize performance – although again, it's now mostly outclassed by WireGuard. It used to be the fastest VPN protocol available until WireGuard took the title.
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However, it requires a patch for complete privacy. It uses the Noise Protocol Framework for encryption and is open-source. WireGuard: A newer VPN protocol, WireGuard boasts faster speeds and better performance than most of its predecessors.

However, limitations of speed and cumbersome code have led to the popularity of more modern alternatives. OpenVPN’s robust security, reliability, and convenience fuel its popularity. Besides, it’s compatible with a wide range of operating systems. OpenVPN: Often considered the gold standard of VPN protocols, OpenVPN is an open-source protocol that uses SSL/TLS for key exchange.
