Ledger Explains TRNG Defense Mechanism in Response to $88.6M Coldcard Wallet Theft

Summary

Ledger explained how its TRNG (true random number generator) resists the same entropy vulnerability that affected Coldcard during seed generation. A firmware bug on Coldcard led to the use of a weak software PRNG, resulting in the theft of approximately 1,367 BTC. Ledger uses a TRNG within a certif…

Key points

Provides a comparison of hardware wallet security designs, emphasizing the importance of true random number generation.
Helps users understand hardware wallet security mechanisms and choose reliable devices.
For hardware wallet users, it's crucial to verify the entropy source security of their products.

Crypto Weekly

Editorial note

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