Fred Ehrsam co-founded Coinbase before becoming a full-time investor at Paradigm, giving him rare hands-on experience building one of crypto's most important companies from niche hobby to mainstream business. He focuses on frontier areas of crypto where conventional metrics don't exist, combining deep technical diligence with long-form public writing that attracts technical founders and positions him as a bridge between crypto natives and mainstream audiences. Fred Ehrsam co-founded Coinbase before becoming a full-time investor at Paradigm, giving him rare hands-on experience building one of crypto's most important companies from niche hobby to mainstream business. He focuses on frontier areas of crypto where conventional metrics don't exist, combining deep technical diligence with long-form public writing that attracts technical founders and positions him as a bridge between crypto natives and mainstream audiences.