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View Thread: Safe password storage and retrieval
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    I imagine a simple device with these properties:

    • compact (credit-card sized; fits in wallet)
    • independent (does not, cannot and need not connect to another computer to operate)
    • does not depend on user memory
    • biometrically authenticated (probably thumbprint)
    • driven by one or more of: chemical energy (battery), kinetic energy, solar energy

    Why build such a complicate system? Complicate systems break down easier. Always settle for simple. All you need is to do is prove who you are.