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Omkar Godbole
2 months, 2 weeks ago

Unlike the FTX collapse, the $89 million Coldcard exploit has investors sending bitcoin back to exchanges

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Security issues in the crypto market often push investors in predictable directions. For instance, following the collapse of the FTX exchange in November 2022, investors rushed to withdraw large volumes of coins from centralized platforms and move them into self-custody solutions, including hardware wallets and personal devices.

Now they are doing the opposite by moving coins to exchanges, as the ongoing multi‑million‑dollar Coldcard hardware‑wallet incident, which began Friday, has raised fresh questions about the safety of self‑custody.

"Daily exchange deposits of Bitcoin transfers < 10 BTC spiked yesterday [Friday] to 7.3K BTC, the highest since February 6. Could be related to the coldcard hack, as people move their holdings looking for safety," Julio Moreno, head of research at blockchain analytics firm CryptoQuant, said.

What went wrong with Coldcard

Coldcard, the Bitcoin‑only hardware wallet made by Canadian firm Coinkite, is facing one of its biggest security incidents after a firmware bug quietly weakened how some devices generate seed phrases.
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