About Our Authors

Carmen Chen

Lead Author

Carmen Chen entered the crypto space in 2020 and quickly became fascinated with the engineering behind cold storage devices. After working at a crypto infrastructure company, Carmen launched an independent research practice focused entirely on hardware wallet security. Carmen believes that self-custody is a fundamental right and works to make it accessible to everyone.

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Leon Kozlov

Leon Kozlov has been reviewing consumer electronics for over a decade, pivoting to cryptocurrency hardware 7 years ago. Leon evaluates cold storage devices the way a thoughtful buyer would — weighing price, build quality, software experience, and security features to produce balanced, trustworthy recommendations.

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