Quantum Cryptography: The Key to a Secure Quantum Future 🔐

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The concept of quantum cryptography, an encryption method that exploits quantum mechanics principles to perform cryptographic tasks of securing and transmitting data in a way that will be difficult to hack, is dated back to the 1970s when Stephen Wesner introduced the idea of quantum conjugate coding.

In 1984, after careful examination and incorporation of Stephen Wesner's findings into their research work, Charles Bennett and Gilles Brassard proposed the first quantum cryptography protocol, BB84, a cryptographic scheme that encodes classical bits into qubits. In 2004, two Austrian banks transferred the first quantum keys encrypted money between themselves.

In 2016, an international quantum key distribution (QKD) channel was created by the QUESS space mission between China and Austria. After then, quantum cryptography has witnessed a lot of innovations.

Findings show that the most developed application of quantum cryptography is quantum key distribution (QKD), which is the process of using quantum communication to establish a shared key between two parties.

Quantum cryptography offers several advantages such as secure communication, the potential to encrypt data for longer periods than classical cryptography, detection of eavesdropping, and the ability of quantum key distribution to travel through a noisy channel over a long distance and be secure.

In this video, Astronautics4Xploit presents "Quantum Cryptography: Propellant of A Quantum Enabled Future". The focus points are Quantum Cryptography, Benefits of Quantum Cryptography, Types of Quantum Cryptography, and Post-quantum cryptography.

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