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Key people at StillMark.
StillMark operates as a venture capital firm exclusively dedicated to the Bitcoin ecosystem. It provides strategic investment and advocacy for companies developing products and technologies that advance Bitcoin’s foundational principles. The firm positions itself as an institutional-grade partner for entrepreneurs building infrastructure and applications within this digital asset space, offering financial support and specialized expertise.
Established in 2019, StillMark emerged as a pioneering venture capital firm singularly focused on Bitcoin. Its founding was driven by an early recognition of Bitcoin's transformative potential and the critical need for specialized capital for companies in this nascent sector. This inception aimed to bridge traditional funding with unique requirements of Bitcoin-centric innovation.
The firm primarily serves founders and companies innovating across the Bitcoin stack. StillMark’s long-term vision centers on fostering a robust Bitcoin economy by supporting its promising builders. It aims to cultivate a community of engineers, entrepreneurs, and investors, believing strategic capital and deep understanding are essential for Bitcoin's evolution and adoption.
Stillmark is a venture capital firm founded in 2019, uniquely focused on investing in companies building on Bitcoin and its ecosystem. Its mission is to back founders whose products and technologies embody and advance Bitcoin’s core principles, supporting durable innovation in the Bitcoin space across sectors such as financial services, software, big data, cryptocurrency, retail, healthcare, and e-commerce. Stillmark invests primarily in minority seed, early-stage, and later-stage rounds, aiming to identify large-scale opportunities unlocked or advanced by Bitcoin technology. The firm plays a significant role in the startup ecosystem by providing capital, expertise, and a deep network to founders pioneering Bitcoin-based solutions, especially those targeting underserved populations like the unbanked and underbanked[1][2][3][4][5].
Stillmark was founded by Alyse Killeen, a seasoned investor with over a decade of experience in frontier technologies and one of the earliest institutional investors in Bitcoin since 2013. Her background includes venture capital roles at Clearstone Ventures Partners and March Capital Partners, focusing on data science, cloud networking, and cybersecurity before founding Stillmark to concentrate exclusively on Bitcoin innovation. The firm’s evolution reflects a deepening specialization in Bitcoin and Lightning Network technologies, with a team including Principal Vikash Singh, who focuses on identifying breakout companies in these areas. Early traction for Stillmark came from investments in pioneering Bitcoin companies like Blockstream, where Alyse serves as a board director[2][3].
Stillmark rides the wave of increasing adoption and innovation around Bitcoin as a foundational technology for decentralized finance, payments, and digital asset ownership. The timing is critical as Bitcoin’s Lightning Network and related Layer 2 technologies mature, enabling scalable, low-cost transactions that can serve global populations underserved by traditional finance. Market forces such as growing demand for financial inclusion, regulatory clarity, and institutional interest in digital assets favor Stillmark’s investment thesis. By backing companies that leverage Bitcoin’s unique properties, Stillmark influences the broader ecosystem by accelerating the development of infrastructure and applications that could redefine finance, banking, and payments worldwide[3][5].
Looking ahead, Stillmark is poised to deepen its influence as Bitcoin technology continues to evolve and gain mainstream traction. Trends shaping its journey include the expansion of Layer 2 solutions like Lightning, the integration of Bitcoin into new financial products, and the growing global push for decentralized, permissionless money systems. Stillmark’s continued focus on founder support and network leverage positions it to identify and nurture the next generation of Bitcoin-powered companies. Its role as a pioneer Bitcoin-focused VC gives it a durable competitive advantage, likely enabling it to shape the future of digital finance and related sectors for years to come[2][3][5].
Key people at StillMark.
StillMark has more than 26 tracked investments across 19 companies. The latest tracked deal is $15.0M Series A in Bitstack in December 2025.