quantum-computing secure-communication acm-turing-award information-science

2025 Turing award given for quantum information science

Charles H. Bennett and Gilles Brassard are the recipients of the 2025 ACM A.M. Turing Award for their essential role in establishing the foundations of quantum information science and transforming secure communication and computing

awards.acm.org

March 18, 2026

8 min read

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Summary

Charles H. Bennett and Gilles Brassard have been awarded the 2025 ACM A.M. Turing Award for their foundational contributions to quantum information science. Their work has significantly impacted secure communication and computing.

Key Takeaways

Charles H. Bennett and Gilles Brassard received the 2025 ACM A.M. Turing Award for their foundational contributions to quantum information science and secure communication.
Bennett and Brassard introduced the BB84 protocol in 1984, which enables secure key distribution based on the principles of quantum mechanics.
Their work on quantum teleportation and entanglement distillation has significantly advanced the theoretical foundations of computing and the development of quantum networks.
Variants of the BB84 protocol are currently implemented in operational quantum communication networks worldwide, utilizing both fiber optics and satellite communication.

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Community Sentiment

Mixed

Positives

Bennett's explanation of quantum computing's manipulation of a 2^N dimensional Hilbert space provides a clearer understanding of its potential compared to oversimplified descriptions.
The recognition of Bennett and Brassard for their contributions highlights the importance of foundational work in quantum information science, inspiring future research.

Concerns

Skepticism about practical quantum computers delivering on their promises raises concerns about the feasibility of current advancements in quantum information science.
The lack of coverage on significant limitations of quantum computing, such as the query complexity results, suggests a gap in public understanding of its true capabilities.