Blast from the past- Quantum Cryptography
Nemesis, our resident firangi Indian-American, had posted an editorial on quantum cryptography a long while back.
Silicon chips are soon gonna reach their limits and then what? What other options do we have? Quantum computing does offer a way out. But the technology is far from ready and needs a lot more work. Quantum computing relies on “qubits” rather than the traditonal binary “bits”. A qubit can be stored in atoms or in photons. And because of superposition, the qubit can have an additional state where it is on and off at the same time. This will allow quantum computers to use powerful short-cuts when performing certain calculations. The idea here is to get multiple qubits to entangle with each other so that the resultant computer can perform any calculation with ease. This happens because the ability of the computer increases exponentially (2^n) with the number of qubits involved. Apart from performing complex calculations, a quantum computer can also search databases really fast
But this editorial is about quantum cryptography. Read on.
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