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Today's Headlines
- Over $70 million in Bitcoin was stolen in 41 minutes due to a Coldcard hardware wallet flaw
- 5 new crypto projects on GitHub gained significant traction, including iotex-core and Maskbook
- Coinkite expanded the scope of affected wallets, increasing operational risk for users
⚠️ Threat [8/10]
The Coldcard hardware wallet flaw has put over $70 million in Bitcoin at risk due to a weak-PRNG flaw in the MicroPython library
💡 Opportunity [7/10]
Emergency firmware updates and verified safe storage can limit operational risk and provide a secure solution for affected users
🪙 Tokens To Watch
PENGU, CATE, ONDO
📊 Analysis
The root cause of the issue lies in the Coldcard production config, which defines MICROPY_HW_ENABLE_RNG as zero, relying on Coinkite's hardware-RNG wrapper, but the libngu library checked for the macro's existence rather than its enablement, binding the build to MicroPython's Yasmarang fallback.
This is not the first instance of a weak-PRNG flaw, as seen in the Coinspect's Ill Bloom research in early July, which identified a separate weak-PRNG flaw in older software wallets tied to over $5 million in drained funds.
The impact on Southeast Asia and emerging markets is significant, as retail investors in developing economies may be more vulnerable to such exploits due to limited access to secure storage solutions and reliable information.
Market mechanics indicate a bearish sentiment, with prices of major cryptocurrencies experiencing a slight increase, but the on-chain data and developer activity numbers suggest a more cautious approach, with a focus on secure storage and emergency firmware updates.
In the next 48 hours, investors should watch for updates on the Coldcard flaw, specific signals on the containment of the incident, and changes in the market sentiment, which could shift the thesis on the security of hardware wallets
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