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The Post-Quantum Cryptography Transition: Making Progress, But Still a Long Road Ahead
Brian A. LaMacchia, Matthew J. Campagna, William Gropp·March 3, 2025·DOI: 10.48550/arXiv.2503.04806
Computer Science
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Abstract
The development of quantum computing threatens the security of our currently widely deployed cryptographic algorithms. While signicant progress has been made in developing post-quantum cryptography (PQC) standards to protect against future quantum computing threats, the U.S. government's estimated $7.1 billion transition cost for non-National Security Systems alone, coupled with an aggressive 2035 deadline, will require sustained funding, research, and international coordination to successfully upgrade existing cryptographic systems.