Voyager 1 sends a signal. It takes 22 hours to reach Earth. Earth stores that data (caches it), processes it, and replies. Voyager does not talk to "the origin of the universe"; it talks to Earth. Earth is the proxy.

Beyond standard site unblocking, Interstellar includes several specialized tools for privacy and utility: Tab Cloaking:

: It is designed to be lightweight and deployable even by non-developers.

In the race to transform humanity into a multiplanetary species, most of our attention is fixated on hardware: the rocket engines, the radiation shielding, and the sustainable habitats. We talk about the "Delta-v" budget required to escape the Sun’s gravity well, but we rarely discuss the latency budget.