Castle Island Ventures

Castle Island Ventures is a venture capital firm specializing exclusively in public blockchains. The firm invests in infrastructure and application companies that enable transformative protocols to reach their full potential. Their mission is to support entrepreneurs building the necessary infrastructure and applications for the next billion users in the blockchain space.

The team comprises professionals with extensive experience in the financial services industry, including former executives from Fidelity Investments and other notable firms. Castle Island Ventures has raised multiple funds, including a $250 million fund announced in February 2022, targeting investments in monetary networks, financial services, and internet infrastructure. Their portfolio includes companies like BlockFi, Bitwise, and River Financial.

Castle Island Ventures is headquartered in Cambridge, Massachusetts, and operates primarily in the United States. The firm focuses on early-stage investments, including Seed, Series A, and Series B rounds, in sectors such as blockchain, financial services, infrastructure, and software. They are committed to supporting entrepreneurs who are building the infrastructure and application companies required to help transformative protocols reach their full potential.