This is the number one way to hack a hardware wallet. In this video I show you the biggest security flaw in bitcoin and cryptocurrency hardware and software wallets. This hardware wallet security vulnerability has resulted funds being irretrievably stolen from users all around the world the worst part is, it was totally preventable.

Level up your Bitcoin Security with COLDCARD use code “Rhett” for a discount: https://store.coinkite.com/promo/653C...

Secure your Crypto with Ledger Nano X my favorite hardware wallet: https://shop.ledger.com?r=55d1aded1ea8

‍Code to generate random numbers:
https://gist.github.com/rhettre/1743f...
https://gist.github.com/rhettre/1ad86...

Ledger Quality of Randomness: https://support.ledger.com/hc/enus/a...

How Ledger Generates Seed Phrases: https://support.ledger.com/hc/enus/a...

Twitter thread on private key math:   / 1612470866171891712  

Hardware Wallet Hacks 0:00
How Private Keys are Generated 1:15
COLDCARD Exploit Example 5:36
Solution #1 7:00
Solution #2 9:40