AI Security

Paradigm

Check: Paradigm says it backs founders at every stage from first check through public markets, but it does not publish Alpin's personal check range or decision authority. A 2024 firm filing described vehicle investments from $1M to $100M or more; that historical firm range is not treated as his current personal range.

Alpin partners with crypto founders and researchers who have strong instincts about the future and the courage to follow them. His work centers on protocol, market, and mechanism design—especially systems that take explicit architectural tradeoffs to improve a core product or maximize performance. He is interested in how specialized new networks exploit incumbent dogma, how markets can improve collective decisions, and how open benchmarks can safely accelerate AI-assisted smart-contract security.

UDHC

Check: Coulter has publicly said UDHC writes checks from pre-seed through Series A. A verified OpenVC firm profile lists $50K–$2M as UDHC's first-check range and says the firm sometimes leads; treat that as directory-level firm guidance rather than a Coulter-specific commitment, and confirm current size and ownership directly.

Coulter works with UDHC's early-stage onchain-finance portfolio, applying a marketing and communications lens to companies that can connect crypto-native infrastructure with the traditional financial system. The firm's public strategy emphasizes useful onchain financial products, strong user experience, regulatory awareness, transparency and a credible path toward decentralization; Coulter's specific contribution is helping technical teams turn those qualities into positioning, community and go-to-market execution.