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Algorithm Agility for Bitcoin to maintain security in the face of quantum and classic breaks in the signature algorithms

31 replies

By Ethan Heilman

Involving Matt Corallo, Erik Aronesty+6 others

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Original post on February 9, 2026 14:20 UTC

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Last reply on February 23, 2026 21:42 UTC

bitcoin-dev

  • Multiparty and lattice-based signatures are explored for quantum-resistant Bitcoin decentralization.

  • SPHINCS and CRYSTALS-Dilithium show promise but have practicality and size issues.

  • SLH-DSA is a temporary choice until SQI-sign technologies become viable in three years.

Bitcoin PIPEs v2. Overview and feedback request.

By Misha Komarov

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Original post on February 23, 2026 19:25 UTC

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Last reply on February 23, 2026 19:25 UTC

bitcoin-dev

  • Bitcoin PIPEs v2 integrates covenants into Bitcoin's Layer 1 without needing a soft fork.

  • It uses Decentralized Key Generation and ZKP for secure verification in a single transaction.

  • This development seeks feedback for simplifying proposals and enhancing Bitcoin's ecosystem efficiency.

Hourglass V2 Update

7 replies

By Isabel Foxen Duke

Involving Mike Casey, Alex+3 others

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Original post on February 10, 2026 20:47 UTC

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Last reply on February 19, 2026 03:26 UTC

bitcoin-dev

  • Isabel proposed integrating usage limits in Bitcoin's consensus mechanism.

  • She discussed limiting Pay-to-PubKey transactions to a fraction of the coinbase reward.

  • Duke highlighted the balance between simplicity for users and unnecessary complexity.

Bitcoin PIPEs v2

9 replies

By nemothenoone

Involving AdamISZ, cmp_ancp

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Original post on February 12, 2026 16:56 UTC

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Last reply on February 23, 2026 14:08 UTC

delvingbitcoin

  • BitVM automates transactions upon specific events, enhancing security and efficiency.

  • PIPEs' decryption conditions are universally applicable, flexible, and non-interactive.

  • This technology expands potential for secure, versatile blockchain protocol development.

Using AI tooling for code review

3 replies

By willcl-ark

Involving 1440000bytes, ajtowns+1 other

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Original post on February 21, 2026 09:26 UTC

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Last reply on February 23, 2026 09:12 UTC

delvingbitcoin

  • The programmer discusses implementing an automated review system for Bitcoin Core code.

  • A detailed review process involves a priority checklist for assessing code changes and impacts.

  • Insights and personal practices are shared to enhance community code review methodologies.

Introducing UltrafastSecp256k1: A Multi-Architecture Exploration of Secp256k1 Optimizations

By shrec

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Original post on February 22, 2026 12:05 UTC

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Last reply on February 23, 2026 00:28 UTC

delvingbitcoin

  • The recent RISC-V optimization increased Milk-V Mars performance by 34%.

  • These advancements are part of the UltrafastSecp256k1 library's v3.11 development roadmap.

  • Optimization aims for UltrafastSecp256k1 to be the top choice for IoT devices needing efficient computation.

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