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Solana Foundation published a blog post on April 27, 2026, confirming that its core developer teams have already agreed on a future quantum security plan. The network said both teams selected Falcon, a new digital signature system, and that early working versions have already been built. Solana Foundation added that quantum threats may still be years away, but preparing early is the better move.
The update highlights that two major Solana developer teams, Anza and Firedancer, studied the problem separately and reached the same conclusion. Both teams selected a post-quantum signature system called Falcon.
Solana said the overlap matters because these teams build critical infrastructure for Solana validators. Independent support for the same model is intended to add confidence that the plan is practical and technically strong.
Falcon is a new digital signature system designed to protect against future quantum computer attacks. Solana said it is stronger than Solana’s current system, Ed25519, if quantum machines become powerful enough one day.
Both teams chose Falcon because it is described as offering strong security while remaining fast and lightweight. Solana noted that the network processes many transactions, so it cannot adopt a system that would slow performance too much.
Solana Foundation also said Falcon has been selected by the U.S. National Institute of Standards and Technology (NIST) as one of the approved post-quantum security systems.
Solana said users do not need to do anything now. It stated that today’s systems remain safe and that no urgent upgrade is required.
At the same time, Solana Foundation said the roadmap is already forming. It reiterated that quantum threats are still years away and that migration plans are well-researched, understood, and ready to deploy.
According to the plan described, new wallets would adopt Falcon first if quantum risks escalate, while existing wallets would migrate in a later phase.
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