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[BIP Draft] P2P UTXO Set Sharing
26 repliesBy Fabian
bitcoin-dev
Involving Eric Voskuil, Anthony Towns+6 others
Original post on May 5, 2026 15:36 UTC
Last reply on June 8, 2026 11:37 UTC
bitcoin-dev
The new BIP facilitates decentralized UTXO set sharing within the Bitcoin network.
This update includes new P2P messages and a service bit for sharing UTXO sets.
The proposal aims to improve node setup time and network resilience.
[BIP Draft] Testnet 5
9 repliesBy Pol Espinasa
bitcoin-dev
Involving Anthony Towns, Antoine Poinsot+5 others
Original post on June 2, 2026 11:24 UTC
Last reply on June 3, 2026 21:55 UTC
bitcoin-dev
A new Testnet5 draft aims to resolve Testnet4 issues and tests BIP54.
Stakeholders can review and comment on the draft via the provided GitHub link.
This effort is part of broader Bitcoin development to improve functionality and experience.
Prohibit Merkle Internal Node Preimages That Encode Minimal 64-Byte Transactions
7 repliesBy jeremy
bitcoin-dev
Involving Antoine Poinsot, Antoine Riard+1 other
Original post on June 1, 2026 17:46 UTC
Last reply on June 5, 2026 21:34 UTC
bitcoin-dev
The proposal introduces a new Bitcoin rule targeting 64-byte transaction encoding.
The rule prevents malleability issues by invalidating blocks with specific preimage structures.
Implementation details include a C++ function to check prohibited internal node preimages.
Public key recovery for EC leaves in P2MR (BIP-360)
12 repliesBy starius
delvingbitcoin
Involving sipa, conduition+2 others
Original post on June 6, 2026 22:00 UTC
Last reply on June 9, 2026 01:06 UTC
delvingbitcoin
The proposal enhances BIP-360 by optimizing EC signature recovery in P2MR structures.
It aims to reduce witness size by omitting the EC public key script from the witness.
Detailed technical changes include unique nonce derivation and streamlined witness validation.
Default signet reorg history — was the fork at height 287766 (depth 19) deliberate?
8 repliesBy pramodkandel
delvingbitcoin
Involving ajtowns, 0xB10C
Original post on June 5, 2026 11:46 UTC
Last reply on June 8, 2026 06:55 UTC
delvingbitcoin
A fork at height 287766 extended 19 blocks, ending in block `0000000024ff924ff932668d497bba7da9157559a68d9c87d2f28d22e5e4a001`.
Inquiry exists on whether reorgs like this should be expected or are anomalies.
Developers lack resources to track reorgs, possibly needing independent monitoring tools.
Bird of Prey 2: non-malleable Schnorr + PQ signatures
7 repliesBy sipa
delvingbitcoin
Involving conduition, AdamISZ
Original post on May 22, 2026 21:44 UTC
Last reply on June 6, 2026 15:11 UTC
delvingbitcoin
The paper details a hybrid signature system, `BoP-2`, for enhanced cryptographic security.
`BoP-2` combines Schnorr-like and PQC schemes to ensure unforgeability and non-malleability.
It uses a unique method involving a random nonce and hash computations for security enhancements.
