September 23, 2026
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Bitcoin Red Team Finds 4,962 Flaws After Coldcard Hack

A volunteer security group called the Bitcoin Red Team uncovered 4,962 vulnerabilities, 85 of them critical, across 390 open-source Bitcoin projects over a 27-hour stretch after the Coldcard hack. A Response to the Coldcard Exploit The Coldcard hardware wallet exploit drained bitcoin (BTC) from long-term holders after a firmware bug dating to March 2021. Losses […]
News

Cathie Wood’s Ark Buys $21M in Block, $2.3M in SpaceX

Cathie Wood’s Ark Invest bought $21 million in Block shares and $2.3 million in SpaceX stock, doubling down on two companies sitting at the intersection of bitcoin and Elon Musk’s business empire. Ark’s Latest Trades Ark Invest, the asset management firm founded by Cathie Wood and known for publishing its daily trading activity, disclosed purchases […]