Explore device-independent quantum key distribution in this comprehensive lecture by R. Arnon-Freedman from the Weizmann Institute, presented at the Quantum Key Distribution Summer School organized by NCCR SwissMAP. Delve into the advanced concepts of quantum cryptography that enable secure communication without relying on the physical implementation of the devices used, focusing instead on the quantum correlations between them. The nearly three-hour session covers theoretical foundations, security proofs, experimental implementations, and current challenges in the field of device-independent protocols for quantum key distribution.