As cryptocurrency grows in value and mainstream adoption, securing digital asset devices requires balancing robust security with ease of use. Poor usability leads users to unsafe workarounds, risking loss of private keys and assets. Ledger's approach—developed with Tony Fadell—combines a secure OS, Secure Element hardware, and a secure display, while iterating through tension between security and UX teams. Innovations like NFC-based Recovery Keys improve both safety and accessibility. Enterprise use cases add complexity, requiring multisig, HSMs, and multi-stakeholder governance. Ongoing R&D and attack labs like Ledger Donjon are essential to staying ahead of evolving threats.
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