Bitcoin TLDR

OP_CC: A simple introspection opcode to enable cheaper consolidations

By billymcbip

delvingbitcoin

Involving reardencode, sipa+4 others

Original post on December 30, 2025 12:53 UTC

Last reply on January 5, 2026 20:32 UTC

delvingbitcoin

**OP_CC** introduces a method to make Bitcoin transaction consolidations more space-efficient.
It permits bypassing individual signatures for repeated inputs from the same SPK after the first.
This opcode could significantly enhance blockchain efficiency by reducing data required for transactions.

Ark as a Channel Factory: Compressed Liquidity Management for Improved Payment Feasibility

By renepickhardt

delvingbitcoin

Involving instagibbs, ErikDeSmedt+2 others

Original post on December 31, 2025 11:42 UTC

Last reply on January 6, 2026 14:16 UTC

delvingbitcoin

The Lightning Network struggles with scaling due to its reliance on liquidity across payment paths.
Ark proposes multi-party state updates to improve liquidity management and scalability but introduces new complexities.
Ark could also act as foundational infrastructure, enhancing Lightning Network scalability despite potential challenges in integration.

Major BIP 360 Update

By cryptoquick

delvingbitcoin

Involving billymcbip, josh+2 others

Original post on December 19, 2025 20:46 UTC

Last reply on January 6, 2026 07:57 UTC

delvingbitcoin

Ethan Heilman and colleagues completely rewrote BIP 360 for clarity and risk mitigation.
The revision introduces "Pay-to-Tapscript-Hash" to protect against quantum threats to ECC.
It adds test vectors and seeks community review to enhance Bitcoin's quantum resistance.

Active Discussions