IVPN is a VPN service that provides network privacy and security through encrypted tunneling, supporting multiple protocols including OpenVPN, WireGuard, IPSec with IKEv2, and L2TP/IPSec. The service implements quantum-resistant encryption using hybrid cryptosystems and post-quantum key encapsulation mechanisms (KEMs) like Kyber-1024 and Classic-McEliece-348864. Operating on tier-1 multi-gigabit networks with full-duplex gigabit ethernet interfaces, IVPN features built-in tracking prevention, IPv6 protection, and network traffic filtering capabilities.