Algorand Foundation confirms its blockchain's defense against quantum computer attacks by the end of 2027, anticipating the National Security Agency's deadline.
The roadmap covers all layers of the network. It includes user wallets, developer tools, and consensus mechanisms.
The schedule is built around Q-Day
Algorand is gearing its efforts for the so-called Q-Day, the point when quantum computers could crack the cryptography currently used to secure most blockchains. The 2027 goal is set to be achieved before the National Institute of Standards and Technology phases out old RSA key sizes. This target also comes three years ahead of the NSA's national security systems deadline.
According to the roadmap, the original post-quantum accounts will go live in the third quarter of 2026 during a protocol upgrade. Users will be able to create such accounts in the Pera wallet, and all SDKs will support the new format.
Stakers will also be able to stake from quantum-resistant accounts in the future. With the third quarter 2026 update, Algorand will support multiple signature types simultaneously.
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The question is no longer if the transition to post-quantum security will happen, but whether organizations will be ready when it does. Algorand started in 2022. Falcon is already live on Mainnet. Today, we're publishing our roadmap to broad quantum resilience by the end… pic.twitter.com/hQhcQixPiT
— Algorand Foundation (@AlgoFoundation) June 18, 2026
This development is based on 2022, when Algorand implemented the State Proofs system with Falcon algorithm signatures. The post-quantum multi-signatures and treasury transfer are expected to happen later this year.
"Post-quantum security cannot be added retroactively after the Q-day. All who tokenize or stake, developers, and those transacting on the Algorand network must be able to trust that their assets remain safe in the event of a potential quantum threat materializing. This roadmap provides that assurance and begins with concrete rollouts in 2026," stated Bruno Martins, Chief Technology Officer of the Algorand Foundation.
Chris Peikert, the Foundation's Chief Scientist, mentioned that updating a functioning protocol takes years, as attack risks are expected to rise toward the end of the decade. Future releases will show whether Algorand stays on track.
Competing blockchains are also progressing on their own timelines. TRON plans a quantum-resistant testnet for Q2 2026 and a mainnet launch in Q3. Solana has announced that its transition is fully researched and ready for deployment as the threat materializes. Ethereum developers expect Layer 1 updates by 2029.
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