@diegovsky That's a very fair point, and it’s the heart of the "privacy vs. security" debate. The issue with the standard TCP/IP stack isn't about what you are saying—encryption like TLS or AES handles that part—it’s about the massive amount of noise you make while saying it.

Even when you are tucked behind a NAT and your IP looks like just another house in a crowded neighborhood, your digital footprint remains incredibly loud. An ISP or a network node doesn't need to read your messages to figure out exactly what you are doing. They look at the metadata: the packet sizes, the precise timing between them, and the frequency of the bursts. This creates a "behavioral fingerprint." For instance, a skilled analyst can easily distinguish a Signal call from a Netflix stream, or even guess which language you are speaking by analyzing the Variable Bit Rate (VBR) patterns of the audio codec, all without ever decrypting a single bit of your text.
The fundamental flaw in TCP/IP is that it permanently couples your identity to your physical location via the IP address. As long as we are routing data between physical "nodes," we are leaving a breadcrumb trail. Moving toward a user-space stack built in Rust—especially using something like RINA—is about breaking that link. We stop addressing data to a specific computer in a specific city and start addressing it to a logical "process." By decoupling the transport from the identity, your traffic effectively becomes indistinguishable from generic background noise to any outside observer. In 2026, strong encryption is just the baseline; the real frontier is making the communication itself invisible to the structure of the network.