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Unbreaking testnet4

32 replies

By Antoine Poinsot

Involving Saint Wenhao, Garlo Nicon+9 others

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Original post on March 18, 2025 14:29 UTC

cyclic icon

Last reply on July 5, 2025 04:31 UTC

bitcoin-dev

  • Testnet4 maintained the difficulty reset rule, failing to address past issues.

  • The goal was for developers to mine easily, but it conflicted with network ideals.

  • A proposal suggests removing this rule via a hard fork scheduled for January 1, 2026.

Re: The Cat, BIP draft discussion.

14 replies

By Bitcoin Mechanic

Involving Greg Maxwell, Jonathan Voss+8 others

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Original post on December 11, 2025 20:54 UTC

cyclic icon

Last reply on December 24, 2025 17:19 UTC

bitcoin-dev

  • The discourse explores balancing Bitcoin's efficiency and ideals with spam mitigation strategies.

  • "The Cat" proposal aims to remove non-monetary UTXOs to save blockchain storage space.

  • Despite concerns, there's cautious support for its potential to streamline and scale the network.

Hash-Based Signatures for Bitcoin's Post-Quantum Future

14 replies

By Mikhail Kudinov

Involving Jonas Nick, Erik Aronesty+5 others

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Original post on December 8, 2025 20:28 UTC

cyclic icon

Last reply on December 20, 2025 01:14 UTC

bitcoin-dev

  • Hash-based cryptographic solutions for Bitcoin are scrutinized for quantum resistance and efficiency.

  • Optimizations can significantly reduce hash-based signatures' sizes, making them more viable for Bitcoin.

  • The discussion encourages the Bitcoin community to explore post-quantum cryptographic integration challenges and solutions.

P2share: how to turn any network (or testnet!) into a bitcoin miner

24 replies

By VzxPLnHqr

Involving cmp_ancp, ZmnSCPxj+3 others

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Original post on November 7, 2025 01:06 UTC

cyclic icon

Last reply on December 28, 2025 05:09 UTC

delvingbitcoin

  • The p2share network introduces a new bitcoin mining reward system, distributing whole rewards randomly.

  • It aims to maintain fairness, enhance efficiency, and support decentralization by awarding shares to miners.

  • This network could positively impact Bitcoin's security and inspire future blockchain technology advancements.

Understanding and Mitigating a OP_CTV Footgun: The Unsatisfiable UTXO

18 replies

By Chris_Stewart_5

Involving 1440000bytes, salvatoshi+8 others

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Original post on July 3, 2025 20:09 UTC

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Last reply on December 30, 2025 19:06 UTC

delvingbitcoin

  • `OP_CTV` aims to improve Bitcoin scripting, focusing on multi-input transaction templates.

  • Incorporating multiple inputs prevents the creation of unspendable UTXOs, enhancing security.

  • Ongoing research explores further integration with proposals for safer and more efficient transactions.

OP_CC: A simple introspection opcode to enable cheaper consolidations

3 replies

By billymcbip

Involving fjahr, reardencode

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Original post on December 30, 2025 12:53 UTC

cyclic icon

Last reply on December 30, 2025 18:44 UTC

delvingbitcoin

  • The proposal **OP_CHECKCONSOLIDATION (OP_CC)** aims to make Bitcoin transactions more space-efficient.

  • **OP_CC** reduces the need for signatures in multiple inputs from the same scriptPubKey.

  • This opcode could significantly streamline blockchain data, improving transaction consolidation.

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