Quantum Cryptography Comes to Smart Phones

A smart phone can do pretty much anything a PC can. But, aside from password protection, phones have very littlesecurity—a real problem with more and more people using phones for online banking and shopping.

But researchers at Los Alamos National Lab hopequantum encryption can help. Quantum encryption typically requires a lot of processing power and covers only short distances. But Los Alamos says it’s developed a minitransmitter that encodes the encryption key on a single photon. They call it the QKarD transmitter, short for Quantum Smart Card. Any change in the photon’s quantum information reveals an attempted hack and cancels the transaction.

Good luck, hackers.

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