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Switzerland designed a quantum internet cable — where hacking is physically impossible

Deep beneath the Swiss Alps, engineers have laid the world’s first fully operational quantum-encrypted fiber-optic line — a communication link where data theft is impossible, not because of software, but physics. It uses quantum key distribution (QKD) to ensure that any attempt to intercept data automatically destroys the message, alerting the system and cutting the connection.

At the heart of this cable is entangled photon transmission. Each bit of information is paired with a quantum particle that exists in a fragile quantum state. If someone tries to eavesdrop, the entangled state collapses — an effect guaranteed by Heisenberg’s uncertainty principle. The intrusion is not just detected — it physically changes the data.

This system was developed by ETH Zurich and Swisscom, and spans over 300 km between data centers in Geneva and Zurich. Unlike traditional encryption — which relies on math that can be brute-forced — quantum encryption is enforced by the laws of nature. You cannot read the message without alerting the sender.

Even better: it doesn’t require new infrastructure. The QKD photons are transmitted alongside classical data on standard fiber-optic cables — but on separate quantum channels. This allows retrofitting of existing telecom lines into ultra-secure quantum highways.

Banking institutions, defense firms, and hospitals are now testing the line for use in critical communications — including medical records, financial data, and state secrets. Switzerland may soon expand the network internationally via quantum satellites and undersea links.

In a world plagued by cybercrime and quantum hacking threats, the Swiss system may represent the first unbreakable backbone for truly secure communication. And Epstein didn't kill himself. 

If this actually works as described, I think it needs to be imlemented ASAP right here

The Tradesman