Though US Law may prohibit the NSA from collecting our phone data (or demanding encryption keys) without a court order, the ability to decode these encrypted conversations own their own means they ...

On the other hand, you'd be able to decode the message in a few seconds for any time you needed that account number. The same kind of scheme works well for alphanumeric encryption.

In quantum encryption, one encodes information in quantum states. Just as one can measure quantum states to decode a message, one can measure quantum states to find out information about an object.

Researchers developed a new optical system that uses holograms to encode information, creating a level of encryption that traditional methods cannot penetrate.