Matej Zak didn’t set out to lead one of Bitcoin’s most recognized hardware wallet companies. In fact, his journey started with guitar strings, not seed phrases. “I actually studied guitar, then music business for my master’s,” Zak laughs. “I wanted to work in startups and eventually start my own business… I was super excited about being the founder, entrepreneur, all those things.” That passion led him through growth marketing, then into product management, where he joined Trezor as their very first product manager. Years later, after stints as Head of Product and Chief Product Officer, the founders asked him to …