For the first time ever, scientists have developed a semi-device independent randomness-free quantum key distribution protocol that allows two parties to securely communicate without any prior trust. This new technology can be used to protect valuable data and ensure secure communication between two parties. The new protocol, described in a paper published in Physical Review Letters, is based on a quantum entanglement technique known as the Einstein-Podolsky-Rosen effect. The protocol is the first of its kind to enable secure communication with two parties without the need for trust or prior knowledge of each other’s security parameters. This is a major breakthrough in quantum cryptography and could potentially revolutionize the way we transmit data securely.

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source: Phys.org