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Gilles Brassard Turing Award Puts Quantum Security In Focus

Mar 20, 2026 | NCFA Market Activity | Quantum Security And Digital Finance

Pixabay geralt, Quantum security

Image: Pixabay/geralt

Quantum Standards and Timelines Now Drive Financial Security Changes

On Mar 18, 2026, the 2025 ACM A.M. Turing Award recognized Gilles Brassard and Charles H. Bennett for foundational work in quantum information science, including the development of quantum cryptography. The award carries a $1 million prize and marks one of the highest global honours in computing.

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Brassard’s work established early methods for secure communication using quantum mechanics, a field now directly tied to the future of encryption. While he didn't develop today’s post quantum standards, his research helped define how information can be secured against quantum-enabled attacks. That body of work went from advanced research to execution in August 2024 when NIST finalized the first post quantum cryptography standards for encryption and digital signatures used across financial systems.

As ACM President Yannis Ioannidis stated:

“Their work is an important foundation for the field of quantum computing and has fundamentally changed how we process, transmit, and secure information.”

Post Quantum Cryptography Enters Implementation

Post quantum cryptography (PQC) refers to new encryption methods designed to remain secure even if future quantum computers can break today’s widely used systems today, such as RSA and elliptic curve cryptography that currently protect payments, digital identity, secure messaging, APIs, and financial data.

On Aug 13, 2024, NIST finalized three post quantum cryptography standards and announced that organizations should begin transitioning to them as soon as possible. NIST states these standards support encryption and digital signatures used to secure electronic information, including financial transactions and sensitive data.

NIST also states that no one knows exactly when a cryptographically relevant quantum computer will arrive, but some experts estimate it could be possible in less than 10 years. That uncertainty increases the risk because encrypted data can be collected today and targeted for future decryption under the harvest now, decrypt later threat model.

Canada has already set execution timelines. The Canadian roadmap for post quantum cryptography migration requires departments to begin planning in April 2026, report progress annually, transition high priority systems by the end of 2031, and complete remaining migration by the end of 2035. Canada’s national strategy for quantum communication and cryptography states that advances in quantum computing could undermine current encryption and threaten digital systems and data security.

What It Means for Fintechs

For financial services, encryption now affects what gets built and what gets bought. Payments, identity, onboarding, APIs, messaging, custody, and long term data all rely on encryption that may need to be replaced or upgraded.

Quantum also reaches into blockchain based finance like stablecoins, tokenized deposits, wallet infrastructure, custody controls, and smart contract connected payment flows all depend on digital signatures and key management. NCFA’s earlier coverage of quantum safe stablecoins points to a market approaching US$250 billion and highlights how quantum safe controls are already being added to stablecoin settlement systems.

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Buyers are starting to ask direct questions. Where is encryption used in the product. Which parts rely on current standards. What is the plan to upgrade. These questions and decisions are part of core financial workflows now and show up across payments messaging, identity systems, API access, document signing, custody, and stored data.

Vendors that can clearly show where encryption sits in their systems and how they plan to upgrade it will have an advantage as requirements tighten.

In Conclusion

NIST standards are finalized and Canada has set migration timelines starting in April 2026, with high priority systems due by the end of 2031 and full migration by the end of 2035. That puts a clock on encryption used across payments, identity, APIs, messaging, custody, and long term data.


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