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The Solana Foundation published a quantum readiness update on Monday, saying two of the network’s core developer teams independently converged on the same post-quantum upgrade path. Anza and Jump Crypto’s Firedancer, which together represent a significant portion of Solana’s validator stake, each studied post-quantum migration routes separately and arrived at the same conclusion: adopting a new digital signature scheme called Falcon, designed for high-throughput blockchains that require compact signatures. The foundation said both teams have already built initial implementations, available on their respective GitHub repositories.
The foundation added that the migration, when it happens, is not expected to meaningfully affect network performance, addressing a key user concern.
In its update, the foundation described a phased roadmap linked to the evolution of quantum computing capabilities rather than a fixed calendar. The first phase focuses on continued research and performance testing of Falcon and alternative schemes. If quantum computing begins to pose a credible threat, the next step would be introducing post-quantum cryptography for newly created wallets, followed by migrating existing wallets to the selected standard.
The foundation said quantum computing is still years away and that, if and when it materializes, the work to migrate Solana is well-researched, understood, and ready to deploy.
The announcement also referenced a Google Research paper that found a roughly 20-fold reduction in the number of physical qubits needed to crack current cryptographic schemes compared with earlier estimates. The foundation said this development tightens the theoretical timeline for when cryptographic risk could become more practical.
As Unchained reported in December, Solana had already tested quantum-resistant signatures on a production-like testnet in partnership with Project Eleven. Those tests showed no major performance trade-offs despite heavier computational demands.
The foundation also pointed to Blueshift’s Winternitz Vault, a quantum-resistant primitive that has been live on Solana for more than two years. It was cited in a Google Quantum AI whitepaper as an example of proactive post-quantum work in the industry.
According to the foundation, no immediate protocol change is planned. However, it said the ecosystem has the research, infrastructure, and developer alignment to act quickly if conditions change.
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