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Explore Bitcoin Magazine’s Featured category – top stories, insights, and highlights on Bitcoin and blockchain.

CULTURE

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

Juan Galt -
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.
TECHNICAL

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

Juan Galt -
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.
NEWS

DMND Integrates Mempool Accelerator With Miner Revenue Sharing Using StratumV2

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

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

Juan Galt -
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.
TECHNICAL

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

Aaron van Wirdum -
Will BIP110 fail, activate, or split Bitcoin? A look at the three most likely outcomes.
TECHNICAL

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

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

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

Juan Galt -
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.
CULTURE

Self Custody Is Dead. Long Live Self Custody

Juan Galt -
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.
BUSINESS

Coinkite Releases Fixed Firmware After Coldcard Bug; AI Likely Involved In The Breach

Juan Galt -
NVK stated that AI-assisted code review can now find latent bugs at a speed outpacing even the industry’s most seasoned experts, calling it a sober reality of the new AI paradigm.
NEWS

COLDCARD SECURITY RISK: IMMEDIATE ACTION REQUIRED

Shinobi -
IMPORTANT: Major security vulnerability discovered in Coldcard hardware wallets. For your own safety read disclosures and take necessary actions immediately.
POLITICS

Bitchat Mesh App Defies India Cybercrime Notice After Protesters Use It During Network Restrictions

Juan Galt -
The open-source Bitchat app, designed to work without internet or central servers, continued functioning and spreading peer-to-peer after authorities targeted its GitHub code.
GUIDES

I Scanned the Entire Bitcoin Blockchain for Images. What I Found Will Shock You

Juan Galt -
After three days of validation and half a day of deep scanning, the findings force a hard look at what “content on the blockchain” really means for ordinary node operators.
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