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Solana Developers Select Falcon for Long-Term Post-Quantum Signature Work

According to the Solana Foundation, Anza and Jump Crypto’s Firedancer have begun early Falcon implementations and outlined a phased wallet migration path, while stating quantum risk to Solana remains a long-term concern.

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Fact Check
The claim is strongly supported by the official Solana Foundation page, Solana’s Quantum Readiness, which explicitly says Anza and Firedancer independently converged on Falcon, that initial implementations are available via linked GitHub PRs, and that the migration roadmap is phased: continue Falcon evaluation, adopt a post-quantum scheme for new wallets if needed, then migrate existing wallets. Jump Crypto’s Quantum Migration Paths for Solana independently supports two key parts of the claim: Falcon is the current main candidate and quantum attacks remain years away rather than immediate. The Anza research post corroborates that the work is preparatory and focused on post-quantum readiness. The two GitHub PR pages support the specific statement that Anza and Firedancer have begun early Falcon implementation work.
Summary

The Solana Foundation said core developers Anza and Jump Crypto’s Firedancer have aligned on Falcon as Solana’s long-term post-quantum signature solution and have started building early implementations. The effort is framed as advance preparation for future quantum computing risks rather than an urgent protocol change, with the foundation stating the threat remains years away. The update also adds a phased migration path for new and existing wallets, expanding on reports that Falcon is being backed as a way to protect the digital signatures used to authorize Solana transactions.

Terms & Concepts
  • Falcon: A post-quantum digital signature scheme designed to resist attacks from future quantum computers while keeping signatures relatively compact.
  • Post-quantum cryptography: Cryptographic methods intended to remain secure even if quantum computers can break some widely used current encryption and signature systems.
  • Digital signatures: Cryptographic proofs used to verify that a transaction was authorized by the holder of a private key.