Castle Island Ventures Fund II

Castle Island Ventures

cb Email

Status

ACTIVE

Global HQ

Boston, United States

Countries of investment

United States
Canada
United Kingdom
Switzerland
El Salvador
Cayman Islands

Investment stages

Pre-Seed
Seed
Series A

Industries

Crypto
Bitcoin
Stablecoins
Public Blockchain Infrastructure
Payments Infrastructure
Lightning Network
On-Chain Analytics

About
Castle Island Ventures is a Boston-based VC focused on Bitcoin and stablecoins infrastructure. Their focus spans Bitcoin, stablecoins, public blockchain infrastructure, payments infrastructure, and Lightning Network across the United States, Canada, United Kingdom, Switzerland, El Salvador, and Cayman Islands. The firm supports founders from Pre-Seed through Series A.

Min check size: $250K
Max check size: $3M
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Investment Thesis

Castle Island Ventures is a pre-seed and seed-stage venture capital firm deploying capital exclusively across public blockchain crypto infrastructure, Bitcoin, stablecoins, payments infrastructure, Lightning Network, and on-chain analytics sectors. They invest only in public blockchain companies with a clear Bitcoin and stablecoins-focused thesis. The firm differentiates itself through its specialist focus on Bitcoin and stablecoins (uncommon among multi-chain crypto VCs), founders Nic Carter and Matt Walsh's thought leadership in Bitcoin infrastructure, Boston positioning, and dedicated focus on payments and stablecoin infrastructure.

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Manager's Experience

Nic Carter (Co-Founder & Partner) co-founded Castle Island Ventures in 2018 with a specialist Bitcoin and stablecoins thesis; he previously worked as the first crypto-focused analyst at Fidelity Investments and is one of the most respected public Bitcoin thought leaders globally through his writing and podcast appearances. Matt Walsh (Co-Founder & Partner) co-founded the firm with deep crypto investing expertise. The firm has built one of the most respected specialist crypto VC reputations with concentrated focus on Bitcoin, stablecoins, and public blockchain infrastructure.