Casa Blog

At Casa we ship mission-critical code that helps keep our clients’ bitcoin safe. That code gets reviewed, tested, and audited - but human auditors are expensive and slow, static analyzers are fast but shallow, and our codebase grows every day. When frontier large language models started demonstrating real vulnerability discovery - not just pattern matching, but genuine reason...

On July 30, 2026, roughly 1,200 Coldcard wallets were drained in about 40 minutes. More than 1,000 bitcoin (tens of millions of dollars) moved to an attacker's wallet in a quick burst. No devices were touched. No phishing emails were sent. No seeds were leaked.

The attacker never ...

Coinkite has confirmed a firmware bug that weakened seed generation on Coldcard devices, and security researchers report funds are actively being moved out of affected wallets right now.

After a sophisticated scam nearly cost him his bitcoin, a veteran portfolio manager realized his digital asset custodian were a single point of failure. Casa empowered him with true self-custody: multi-signature vaults that require multiple keys to move funds, encrypted communication with Casa Advisors, and inheritance planning backed by human support. W...