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Liquid Gets 3,400 BTC Back After On-Chain Talks; White Hats Keep 598.5 BTC

A self-described white-hat party returned 3,400 BTC to Liquid Network’s federation wallet on Monday after Blockstream said bridge nodes were patched. About 598.5 BTC, near $47 million, remains at the holder address.

Alleged White-Hat Hackers Withdraw 4,000 bitcoin from Blockstream’s Liquid Network Federation Reserves

Liquid Network said purported white-hat hackers withdrew about 4,000 bitcoin from the federation wallet that backs L-BTC. Bridge nodes are disabled and the sidechain is paused.

The Quantum Issue: Letter From The Editor

The Quantum Issue takes a look at the risk of quantum computing to Bitcoin, how exposed the network is, and the current state of solutions to protect it.

Coinkite’s Coldcard Bug Exposed Single-Sig Risk. Multi-Vendor Multisig Is the New Bitcoin Custody Baseline

Coinkite now forces dice rolls and key-press entropy on new Coldcard seeds. The lasting lesson from the July–August 2026 thefts is not to abandon self-custody — it is to stop generating every key on one vendor.

Open Source vs. Source-Available: What the Coldcard Failure Teaches About Bitcoin Software Incentives

FOSS rests on four essential freedoms defined by the Free Software Foundation and the Open Source Initiative’s ten criteria. Licenses that withhold commercial rights, such as MIT plus Commons Clause, shrink the reviewer pool and shift the burden back onto the vendor.

Hunting Down the Coldcard Hacker. Wave 1 Thief May Be Known to FBI

Clay Garrett’s investigation matched the 1,082.65 BTC sweeps to a major data provider’s internal logs with “extraordinary specificity.” The coins remain unmoved.

DMND Integrates Mempool Accelerator With Miner Revenue Sharing Using StratumV2

DMND announces Mempool Accelerator revenue sharing with miners powered by Stratum V2.

Chinese AI Beats Restricted OpenAI and Anthropic Cybersecurity Models, Bitcoin Industry Warns

Bitcoin company leaders and open-source developers report Chinese AI models delivering superior results on defensive cybersecurity work that restricted American frontier systems refuse, forcing reliance on them to secure critical infrastructure.

Bitcoin’s BIP110 Moment: Three Possible Scenarios (Updated)

Will BIP110 fail, activate, or split Bitcoin? A look at the three most likely outcomes.

The End of the Closed-Source Era Is at Hand: Obscurity Was Never Security

The Coldcard hack is a preview. When machines can read what humans couldn't (or just didn't), closed source stops being a category.

Bitcoin Red Team Finds 85 Critical Flaws Across 390 Open Source Repos After Coldcard Exploit

Triggered by the Coldcard RNG vulnerability that drained over $100 million, the Bitcoin Red Team led by Calle and Rob Hamilton has already filed 4,962 findings across 390 open-source projects using frontier AI models.

Self Custody Is Dead. Long Live Self Custody

The Coldcard security failure has shaken Bitcoin's confidence in hardware wallets—but abandoning self-custody would mean abandoning the very reason Bitcoin exists. History suggests the lesson isn't to trust custodians again, but to build stronger, more resilient ways to hold our own keys.
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