4 investors at Castle Island Ventures, based in Cambridge, MA with $75M under management.
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Venture Partner, Castle Island Ventures
Matthew Walsh co-founded Castle Island Ventures in 2018 as a seed-stage equity fund focused on companies building on public blockchains, deliberately positioning it as decidedly not a crypto hedge fund at a time when most crypto funds were oriented around tokens and trading. He brings a financial-services background from Fidelity, where he was effectively the company's internal crypto entrepreneur and helped explore blockchain use cases before the R&D work led to Fidelity Digital Assets, and he maintains an unusually detailed focus on market structure and regulation as prerequisites for safer crypto markets.

Founding Partner, Castle Island Ventures
Matthew Walsh co-founded Castle Island Ventures in 2018 as a seed-stage equity fund focused on companies building on public blockchains, deliberately positioning it as decidedly not a crypto hedge fund at a time when most crypto funds were oriented around tokens and trading. He brings a financial-services background from Fidelity, where he was effectively the company's internal crypto entrepreneur and helped explore blockchain use cases before the R&D work led to Fidelity Digital Assets, and he maintains an unusually detailed focus on market structure and regulation as prerequisites for safer crypto markets.

General Partner, Castle Island Ventures
Matthew Walsh co-founded Castle Island Ventures in 2018 as a seed-stage equity fund focused on companies building on public blockchains, deliberately positioning it as decidedly not a crypto hedge fund at a time when most crypto funds were oriented around tokens and trading. He brings a financial-services background from Fidelity, where he was effectively the company's internal crypto entrepreneur and helped explore blockchain use cases before the R&D work led to Fidelity Digital Assets, and he maintains an unusually detailed focus on market structure and regulation as prerequisites for safer crypto markets.

General Partner, Castle Island Ventures
Matthew Walsh co-founded Castle Island Ventures in 2018 as a seed-stage equity fund focused on companies building on public blockchains, deliberately positioning it as decidedly not a crypto hedge fund at a time when most crypto funds were oriented around tokens and trading. He brings a financial-services background from Fidelity, where he was effectively the company's internal crypto entrepreneur and helped explore blockchain use cases before the R&D work led to Fidelity Digital Assets, and he maintains an unusually detailed focus on market structure and regulation as prerequisites for safer crypto markets.
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