Bottom Line
In quantum cryptography, the deterministic and the inherent probabilistic nature of quantum mechanics come together to secure communications between two parties. The back-to-back nature of connecting H gates provides a reliable mechanism for the parties to lock in a secret key. At the same time, should the mega-qubit fall into the wrong hands during transit, the random way in which qubits collapse makes it virtually impossible for the interloper to glean anything of value. It’s like sending a booby-trapped package. Quantum computing has the potential to seriously crimp the hacking industry.
Although you can’t yet build and deploy quantum cryptographic algorithms like you would for other types of applications, the principles you ...
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