Category Labs says Quantum Cadence removes the quorum certificates and signature dependence of its Cadence consensus protocol, which a large-scale quantum computer could otherwise forge. Rather than swapping in post-quantum signatures, which would make certificates too large for a high-performance blockchain, the design builds on Forget-IT, a signature-free protocol co-developed by Category Labs researchers. The firm reports an AI adapted its Cadence prototype to the new protocol in a few hours, with an early version running on an internal test network. Simulations reportedly show similar latency to Cadence and better scaling with proposer count. A paper and interactive explainer were released.

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Thread · 2 events · started 7 Jul 15:13 · last update 27 Oct 13:52
  1. UpdateMonad presents Cadence consensus and BTX encrypted mempools to target faster blocks and reduce MEV2 acc.
  2. UpdateCategory Labs releases Quantum Cadence, a post-quantum consensus protocol5 acc.
  3. Leviathan published this article

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Cited posts

  • @category_xyz Category LabsFirst reportOn X ↗

    Today we are releasing Quantum Cadence, a post-quantum version of Cadence, our consensus protocol with multiple concurrent proposers. Quantum Cadence uses no quorum certificates, and its safety and liveness do not depend on signatures. Most modern consensus protocols, Cadence…

  • @bhuan_ BenOn X ↗

    Post-quantum migration is tricky. Everything gets heavier: signatures and certificates become much larger and require significantly more bandwidth from validators. Migration is especially tricky if a protocol is live. Luckily, Cadence is not in production yet, so Category… https://t.co/UChVDeGl1k

  • @opendanny dannyOn X ↗

    Quantum computers will break current consensus mechanisms. Quantum Cadence is a quantum-safe version of @category_xyz's future consensus protocol. This means high-performance chains can remain both fast and secure. The upgrade is already running on an internal test network. https://t.co/hkG46ttxyl

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  • @keoneHD Keone HonOn X ↗

    Quantum-Resistance is hard because PQ signatures are much larger (25x larger) and quorum certificates on PQ signatures are much much larger (2500x larger) So, @category_xyz solved this problem with Quantum Cadence, a new version of Cadence that eliminates quorum certificates… https://t.co/Vjm7Nz4vFI

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