News Block: ColdCard Hack Explained - First Self-Custody Breach at Scale, Strategy Makes First STRC Buyback, Fed's Most Hawkish Dissent in Decade — Key Takeaways
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News Block: ColdCard Hack Explained - First Self-Custody Breach at Scale, Strategy Makes First STRC Buyback, Fed's Most Hawkish Dissent in Decade
Natalie Brunell8mAug 3, 2026
Listen to the originalA firmware change in Coldcard hardware wallets in March 2021 weakened seed phrase entropy generation, enabling an attacker to remotely drain 1,300+ Bitcoin from thousands of wallets in under 40 minutes — if your seed was generated on an affected Coldcard, move funds immediately regardless of subsequent wallet changes.
Key takeaways
Coldcard firmware flaw from March 2021 let attackers drain 1,300+ BTC remotely
Coldcard firmware flaw from March 2021 let attackers drain 1,300+ BTC remotely
- A 2021 firmware update silently replaced the hardware RNG with a weaker entropy source, making seed phrases guessable.
- First wave swept 1,000+ addresses in ~40 minutes; moving funds to a new wallet doesn't help if the original seed was affected.
Strategy will no longer put 100% of capital raises into Bitcoin — shifting to a cash/BTC ratio
Strategy will no longer put 100% of capital raises into Bitcoin — shifting to a cash/BTC ratio
- Saylor confirmed the split on Q2 earnings call; cash reserve now at $3.75B, covering 2+ years of preferred dividends.
- Context: Strategy still bought 175,000 BTC in first 7 months of 2026 vs. 3,600 sold — a 48:1 purchase-to-sale ratio.
Three Fed members voted to hike rates — most divided FOMC since 2016, signaling no liquidity relief soon
Three Fed members voted to hike rates — most divided FOMC since 2016, signaling no liquidity relief soon
- Inflation has exceeded the Fed's 2% target for 5+ consecutive years; 10-year Treasury hit ~4.74%, 30-year above 5.2%.
- Higher rates are a headwind for Bitcoin; the liquidity tailwind Bitcoin bulls anticipated is not materializing near-term.
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In this episode
- 1mColdcard Hardware Wallet Breach
- 4mPersonal Disclosure and Listener Action Steps
- 4mStrategy Shifts Capital Allocation Away from 100% Bitcoin
- 6mFed Holds Rates but Dissent Signals Inflation Concern
“This is the first time a major self-custody device has been compromised at such a scale, and that's what makes it so alarming.”
— Natalie Brunel
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