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</html><description>Quantum cryptography (QC) is still in a very early stage and there are very few commercial products available. But this doesn&#x2019;t prevent researchers to look at new solutions. For example, physicists from the University of Wien, Austria, are testing qutrits instead of the more common qubits. These qutrits can simultaneously exist in three basic states [&hellip;]</description></oembed>
