Using smart phones for online banking and shopping has been promoted as the next big thing, but adoption has been slow, partly due to the fact that smart phones have security issues. Scientific American reports that this might change with the development of quantum cryptography.
Researchers at Los Alamos National Lab have revamped quantum encryption to make it more viable for smart phone usage by developing a minitransmitter to hold the encryption key on one photon. If a hacker attempts to change the quantum information in the photon during a transaction, the transaction is cancelled.
This Quantum Smart Card will still need to incorporate password or biometric protection, but researchers hope it may provide a solution for mobile security.
Read more here.