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Addressing remaining points on BIP 54

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By Antoine Poinsot

Involving Antoine Riard, Matt Corallo+3 others

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Original post on December 30, 2025 15:59 UTC

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Last reply on January 30, 2026 04:08 UTC

bitcoin-dev

  • BIP 54 debate resurfaces, focusing on coinbase transaction modifications and ASIC optimization concerns.

  • Jeremy Rubin proposes a new sparse Merkle tree, avoiding 64-byte transaction size restrictions.

  • Consensus favors pragmatic solutions, balancing innovation with stability, avoiding drastic protocol changes.

BIP-352: Limiting the number of per-group recipients (K_max)

By Sebastian Falbesoner

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Original post on February 4, 2026 17:20 UTC

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Last reply on February 4, 2026 17:20 UTC

bitcoin-dev

  • BIP-352's scanning method in Silent Payments shows significant performance issues with adversarial transactions.

  • A new proposal suggests a "K_max" protocol limit to improve efficiency without affecting current SP wallets.

  • Broad community engagement is sought via GitHub and mailing lists to refine the proposed protocol enhancement.

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