donderdag 15 januari 2026

Undersea fiber-optic cables passing through British waters transmit over $10 trillion in financial transactions every single day, linking banks, stock markets, and trading platforms worldwide.

 


The United Kingdom sits at the heart of the global financial system — and much of that system depends on something invisible beneath the ocean. Undersea fiber-optic cables passing through British waters transmit over $10 trillion in financial transactions every single day, linking banks, stock markets, and trading platforms worldwide.
These cables form the backbone of global finance, enabling real-time trading, international payments, and digital communications. Even a brief disruption could ripple across markets within hours, triggering trading halts, liquidity shortages, and widespread economic instability.
Despite their importance, undersea cables are physically vulnerable to accidents, natural disasters, sabotage, and geopolitical conflict. Repairing damaged cables can take days or weeks, during which financial systems operate under severe strain.
In an era of digital finance, Britain’s undersea infrastructure has quietly become one of the most critical — and fragile — pillars of the global economy.

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