The problem with normal VPNs

Standard VPN protocols like OpenVPN and WireGuard encrypt your traffic, but they do not hide the fact that you are using a VPN. Governments and ISPs with deep-packet inspection (DPI) can detect the handshake patterns and block the connection entirely.

This is why your regular VPN stops working when you land in Beijing, Dubai, or Tehran. The network operator sees the VPN handshake and drops the connection.

How SericaVPN solves it

SericaVPN is built on the Xray core, a networking framework designed specifically for censorship circumvention. Here is how it works, step by step:

1. Handshake camouflage with REALITY

When your app connects to a SericaVPN server, the initial handshake mimics a real TLS 1.3 connection to a popular website (like a CDN or cloud provider). To any observer, including advanced DPI systems, it looks like you are visiting a legitimate website, not connecting to a VPN.

This is different from simple encryption. The connection is not just encrypted; it is disguised.

2. VLESS protocol

VLESS is a lightweight, high-performance protocol that carries your actual traffic inside the camouflaged TLS tunnel. It adds almost no overhead and supports multiple transport layers:

• xHttp: HTTP-based transport that blends into normal web traffic. Best for most networks
• gRPC: Uses Google’s RPC framework for better disguise on heavily filtered networks
• WebSocket: Looks like a real-time web app connection. Good for corporate or school networks

You can switch between these in your app settings depending on your network conditions.

3. Intelligent routing

Our network has 20+ regions and 340+ endpoints. When you connect, our system:

• Measures latency to all available servers
• Picks the lowest-latency path for your location
• Falls back automatically if a route becomes blocked

You can also enable Auto Select in Happ, which continuously tests servers and connects you to the fastest one.

4. Residential IP egress

Some endpoints route your traffic through residential IP pools, making it look like it comes from a normal home user rather than a data center. This helps when accessing services that block data center IPs.

What this means for you

You open Happ, paste your subscription link, and tap Connect. Behind the scenes, all the obfuscation happens automatically. To you, it just works, even on networks where every other VPN fails.

Which app should I use?

Download links and step-by-step setup guides are on our download page.