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BIP352: PSBT support

29 replies

By josibake

Involving andrewtoth, achow101+3 others

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Original post on May 17, 2024 11:51 UTC

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Last reply on January 16, 2026 13:40 UTC

delvingbitcoin

  • Discussion highlights PSBT capabilities and future privacy enhancements in cryptocurrency transactions.

  • A draft BIP proposes an `OutputGenerator` role for easier silent payment integration.

  • Ongoing debates focus on the balance between feature benefits and security implications.

LN-Symmetry Project Recap

16 replies

By instagibbs

Involving ajtowns, rustyrussell+2 others

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Original post on January 5, 2024 18:03 UTC

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Last reply on January 22, 2026 19:09 UTC

delvingbitcoin

  • The LN-Symmetry Project advanced the eltoo proposal into research-quality software, addressing concept viability.

  • It tackled eltoo's challenges, like flexible fee management and reduced payment times, but left some implementations unfinished.

  • Project findings stress the need for secure channel designs and contributed significantly to future softfork discussions and channel advancements.

OP_CC: A simple introspection opcode to enable cheaper consolidations

14 replies

By billymcbip

Involving reardencode, sipa+5 others

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Original post on December 30, 2025 12:53 UTC

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Last reply on January 19, 2026 16:06 UTC

delvingbitcoin

  • The proposal introduces **OP_CHECKCONSOLIDATION (OP_CC)** to improve Bitcoin transaction efficiency.

  • **OP_CC** reduces blockchain space by allowing multiple UTXOs to share a single signature.

  • This method significantly cuts down witness size, making the Bitcoin network more efficient.

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