1. Overpriced products
2. Non-stop FUD about competitors, and FOSS specifically
3. Had multiple vulnerabilities in their SE, they did not disclose it, still using same flawed series of products
4. False advertising claims
5. 33% of the OpenSats board has monetary interest in CK even though #2
To put it simply, your credit card has more security features than your Coldcard
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....even airgapped? How would that work?
Yeah. How it works is that unlike the crappy ATECC/DS SEs they use, it has protections against a lot of attacks. Both of them cost <$1.