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Venture capital firm

Castle Island Ventures

A venture capital firm investing only in public blockchain infrastructure and application companies

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  • New York
  • Business
  • Blockchain
  • Digital
  • +4 more
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About Castle Island Ventures

Castle Island Ventures is a venture capital firm that invests exclusively in public blockchains. It backs infrastructure and application companies that could let these networks power services for a much larger user base, and it supports early-stage teams with experience from financial services.

Products and services

  • Infrastructure investment: backing for companies building services that push blockchain networks further.
  • Application investment: funding for products built on public blockchains.
  • Early-stage support: advice from partners who worked on cryptoasset networks inside large financial firms.
  • Podcast: a show called On The Brink.

Who it serves

Founders and early teams building on permissionless blockchains.

Key facts

  • Focus: public, permissionless blockchains only
  • Partner backgrounds: Fidelity Investments, Fidelity Digital Assets, Coin Metrics, Circle, Bitstamp, Coinbase and Highland Capital Partners

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

  • New York
  • Business
  • Blockchain
  • Digital
  • Administration
  • Design
  • York
  • Partners

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