About Our Authors — Crypto Wallets Network

Annika Marshall

Lead Author

Annika Marshall has spent the last 7 years evaluating hardware wallets from a security-first perspective. After a career in penetration testing at a cybersecurity firm, Annika pivoted to focus exclusively on cryptocurrency cold storage. Annika personally owns and rigorously tests over a dozen hardware devices, publishing findings that help users make informed decisions about protecting their digital assets.

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Adam Delgado

After 6 years of using and comparing hardware wallets, Adam Delgado has developed a keen eye for what separates a genuinely secure device from clever marketing. Adam focuses on the practical aspects — setup experience, daily usability, recovery workflows — that matter most to people actually managing their own keys.

cold storage comparisonscrypto educationproduct reviewsuser experience