Bitcoin TLDR

#102

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Summary

Nov 3 - Nov 9, 2025

Our weekly newsletter is focused on keeping you updated on what's new in Bitcoin, and summarizes the bitcoin-dev, lightning-dev and delving bitcoin mailing lists

In recent discussions within the Bitcoin development community, Murch initiated a motion to activate Bitcoin Improvement Proposal (BIP) 3, which has seen substantial support and refinements since its proposal, including notable changes to licensing terms and the BIP process itself. The amendments aim to enhance clarity and functionality, addressing the closure of Draft BIPs due to inactivity and prohibiting AI-generated submissions, as detailed in a GitHub pull request. Concurrently, a soft-fork package named LNHANCE was introduced, proposing four new opcodes to improve the efficiency of the Lightning Network (LN) without enabling complex state introspections or arithmetic capabilities, as explored in their official website and various GitHub pages, including for OP_CHECKTEMPLATEVERIFY (CTV).

Further innovations include a proposal for a generalized sigops budget, now termed the varops budget, within a new Tapscript leaf version to mitigate denial-of-service attacks through excessive computational demands. This approach, closely linked to transaction weight, aims at a proportional allocation of compute units, with extensive benchmarks undertaken to ensure its feasibility and efficiency, as elaborated in a Bitcoin Improvement Proposal on GitHub. Additionally, the concept of a decentralized bitcoin mining network, p2share, was proposed, offering a unique framework for reward distribution among miners to foster a more dynamic and decentralized ecosystem, further discussed at DelvingBitcoin.org.

These discussions not only underscore the community's commitment to enhancing Bitcoin's functionality and security but also reflect an ongoing exploration of new technologies and methodologies to address the scalability and efficiency challenges inherent in blockchain systems.

Active Discussions

[BIP Proposal] Reduced Data Temporary Softfork

26 replies

By dathonohm

Involving Greg Maxwell, Jameson Lopp+15 others

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Original post on October 25, 2025 20:43 UTC

cyclic icon

Last reply on November 10, 2025 19:46 UTC

bitcoin-dev

  • The BIP repo maintainers updated their proposal to address Bitcoin community concerns about a potential softfork.

  • Adjustments include a UTXO height check to prevent funds confiscation and limitations on specific script features to protect network integrity.

  • The proposal outlines temporary measures for immediate concerns with a transition plan towards a permanent solution, inviting community feedback.

Proposal: OP_STARK_VERIFY - Native STARK Proof Verification in Bitcoin Script

8 replies

By rijndael

Involving Abdel, ftw2100+2 others

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Original post on October 14, 2025 10:55 UTC

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Last reply on November 8, 2025 00:01 UTC

delvingbitcoin

  • The email addresses issues in cryptographic proofs for blockchain and smart contracts.

  • It discusses vulnerabilities in repurposing proofs for unauthorized transactions.

  • Proposed solutions involve linking proofs to specific transactions to prevent misuse.

Comparing the performance of ECDSA signature validation in OpenSSL vs. libsecp256k1 over the last decade

3 replies

By theStack

Involving sipa

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Original post on November 1, 2025 09:18 UTC

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Last reply on November 10, 2025 18:56 UTC

delvingbitcoin

  • A new "date" column in ISO 8601 format was added to benchmark .csv files.

  • Plans to update plot.py script later this week to include the new column were mentioned.

  • Contributors are invited to enhance plotting functions, with the codebase accessible at [theStack’s GitHub](https://github.com/theStack/secp256k1-plugbench/commit/202d6358e48c31afcbee094992b617088be3d75d).

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