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A Post Quantum Migration Proposal

17 replies

By Jameson Lopp

Involving Boris Nagaev, conduition+5 others

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Original post on July 12, 2025 21:36 UTC

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Last reply on July 20, 2025 22:54 UTC

bitcoin-dev

  • The proposal advocates for Bitcoin's transition to quantum-resistant cryptography due to quantum computing threats.

  • It outlines a phased approach, including a new post-quantum output type (P2QRH) and deadlines for abandoning legacy signatures.

  • Aimed at protecting Bitcoin's value, it requires stakeholder action and offers a soft fork strategy for backward compatibility.

Human meaningful witness versioning

8 replies

By Ethan Heilman

Involving Ava Chow, Greg Maxwell+1 other

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Original post on July 18, 2025 21:58 UTC

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Last reply on July 21, 2025 17:01 UTC

bitcoin-dev

  • Ava Chow proposes mnemonic-based Witness Version allocation to enhance Bitcoin clarity.

  • The proposal aims to improve user understanding and safety in cryptocurrency transactions.

  • It suggests replacing numeric sequence with mnemonic significance for version identification.

[BIP Proposal] Proof-of-Activity Reclamation (PoAR)

7 replies

By Donald Dienst

Involving Boris Nagaev, Christian Riley+3 others

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Original post on July 10, 2025 22:55 UTC

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Last reply on July 20, 2025 23:13 UTC

bitcoin-dev

  • Donald Dienst introduced a Bitcoin Improvement Proposal titled "Proof-of-Activity Reclamation (PoAR)."

  • PoAR aims to recycle inactive coins for over twenty years back into circulation, preserving miner incentives.

  • The proposal details are on GitHub for community feedback and collaboration.

Changes to BIP-360 - Pay to Quantum Resistant Hash (P2QRH)

24 replies

By EthanHeilman

Involving stevenroose, conduition+5 others

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Original post on July 7, 2025 16:01 UTC

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Last reply on July 24, 2025 21:26 UTC

delvingbitcoin

  • BIP-360 modifications enhance Bitcoin's defense against quantum threats by adopting P2TR.

  • The approach simplifies implementation and avoids pressing quantum attack adjustments.

  • It outlines a forward-looking plan for Post-Quantum signature integration separate from BIP-360.

Exploring Extended Relative Timelocks

19 replies

By pyth

Involving stevenroose, scgbckbone+3 others

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Original post on July 10, 2025 04:50 UTC

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Last reply on July 23, 2025 11:53 UTC

delvingbitcoin

  • The discussion explores extending Bitcoin timelocks to ~10 years, prompted by user feedback.

  • A proposed method suggests using bit 21 in `nSequence` for longer timelocks, multiplying duration by 8.

  • The initiative includes a tool for testing extended timelocks, with code and tool links provided for review.

Where does the 33.33% threshold for selfish mining come from?

8 replies

By AntoineP

Involving zawy, ajtowns+1 other

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Original post on June 5, 2025 20:26 UTC

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Last reply on July 25, 2025 14:04 UTC

delvingbitcoin

  • Selfish mining critically analyzed from a 2013 study, focusing on unfair block contribution.

  • Profitability of selfish mining depends on hashrate and block propagation speed.

  • Study concludes selfish mining advantageous when hashrate exceeds one-third of network.

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