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Casa Blog
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Latest posts
Last updated 5 days ago
Casa Mobile Key, YubiKey, and Casa Key: Where Each One Comes From
5 days ago
Every key in a multisig vault started as a number nobody should...
What Is Entropy? A Plain-Language Guide to How Your Bitcoin Keys Get Made
5 days ago
The Coldcard entropy bug has triggered a lot of Bitcoiners to ask...
How We Built a Reliable AI Pentester
12 days ago
At Casa we ship mission-critical code that helps keep our clients’ bitcoin...
The Rise of the Machines
16 days ago
What the Coldcard vulnerability means for Bitcoin security and what Casa is...
The Coldcard Vulnerability, Explained: Who's at Risk and What to Do Now
18 days ago
Coinkite has confirmed a firmware bug that weakened seed generation on Coldcard...
From Single Point of Failure to Full Sovereignty: A Portfolio Manager’s Story
about 1 month ago
TLDR:After a sophisticated scam nearly cost him his bitcoin, a veteran portfolio...
A Social Engineering Story
about 2 months ago
It was a bright and sunny afternoon on July 4th and I...
Evolving Casa's defenses against social engineering
3 months ago
Casa is the home for bitcoin and digital asset wealth, and a...
A Technically-Fluent Bitcoiner’s Inheritance Story
4 months ago
TLDR;A deeply technical early Bitcoiner realized that self-custody is only as strong...
The Bitcoin Inheritance Gap: What Most Bitcoiners Miss
5 months ago
Bitcoiners who have moved off exchanges, set up hardware wallets, and upgraded...
Don't Trust Clankers: AI Agents Are Dangerously Helpful
5 months ago
View on X Casa's security team recently caught an AI coding agent...
The security review every serious bitcoiner should do in 2026
5 months ago
Most bitcoiners with meaningful positions have done something about security: a hardware...