About Our Authors

Katya Kral

Lead Author

Katya Kral brings 7 years of combined experience in hardware engineering and decentralized protocol technology. Katya has consulted for multiple fintech startups on cold storage architecture and now channels that expertise into educational content. Katya's reviews go beyond surface features to examine the security models that actually keep funds safe.

hardware wallet architecturefirmware updatessecure elementscold storage

Brian Salazar

Brian Salazar combines 4 years of UX research experience with genuine passion for crypto self-custody. Brian evaluates hardware wallets not just on security specs, but on how real humans interact with them — from the clarity of on-device prompts to the intuitiveness of companion apps.

cold storage tutorialsmulti-device setupsrecovery drillscrypto literacy