The best-known example of quantum cryptography is Quantum Key Distribution (QKD). Unlike today’s encryption which is based on mathematical algorithms, QKD is rooted in the laws of physics, exploiting the properties of quantum mechanics to securely transmit cryptographic keys using laser-generated photons of light. QKD is theoretically unhackable because any change to the quantum state will be detected, rendering the keys obsolete.
Despite its promise for ultra-secure transmissions of sensitive information, there are a number of misconceptions about QKD. Given that QKD offers the best form of protection against the quantum threat, addressing the myths of QKD is essential for ensuring that our encrypted data stays secret and out of the hands of hackers and foreign governments.
Quantum Xchange CEO John Prisco addresses the top 5 quantum-crypto myths in his opinion piece in InfoSecurity Magazine here.