Sector portfolio · VC firm · United States
Castle Island Ventures' Web3 & Crypto portfolio
Castle Island Ventures has backed 26 Web3 & Crypto startups in rounds we track, $450M between them, shown by the stage each has reached. The best-funded is Tally.
Castle Island Ventures's whole portfolioCastle Island Ventures's profile
Funding by segment
- Pre-seed and seed$82M15
- Stage not reported$171M8
- Series A$197M3
Where they are based
- United States21$413M
- Switzerland1$11M
- Singapore1$8.0M
- India1$4.0M
- Cayman Islands1$14M
- France1$102K
United States
Switzerland
Singapore
India
Cayman Islands
FranceFounded
4 without a founding year on record.
Total raised
- Under $1M1
- $1M to $10M16
- $10M to $50M7
- $50M to $250M2
- $250M to $1B0
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
22 of 26 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States21
- Switzerland1
- Singapore1
- India1
- Cayman Islands1
- France1
Startups by country, 6 countries in all.
Segment by segment
Pre-seed and seed
15 startups · $82M raised
DeltaDelta is the ultimate Bitcoin & cryptocurrency portfolio tracker app.Switzerland$11M
FordefiFordefi is a company that specialises in financial technology and software.United States$10M
SatLayerSatLayer is the leading restaking platform unlocking Bitcoin's full potential for capital efficiency, liquidity, and shared security.Singapore$8.0M
Ansible LabsAnsible Labs' platform, Beam, connects blockchains and bank accounts.United States$7.0M
ARXArx is an AI-driven real estate analytics and underwriting platform that assists developers, investors, and brokers in sourcing anUnited States$6.2M
Nirvana LabsNirvana Labs is a bare-metal cloud platform designed specifically for the Web3 ecosystem.United States$6.0M
DFX FinanceDFX Finance is a decentralized foreign exchange protocol built on the Ethereum blockchain, focused on trading and managing fiat-baUnited States$5.0M
Station70Station70 is a cybersecurity firm based in Nashville, Tennessee, founded in 2023.United States$5.0M
Stage not reported
8 startups · $171M raised
BabylonChainBabylon designs security protocols to leverage security for decentralized systems, allowing features like secure timestamps and staking.United States$75M
RiverRiver is an electric vehicle startup building multi-utility scooters.United States$47M
Flipside CryptoAI tools fail on expert work because they're missing context.United States$14M
Build on BitcoinBuild on Bitcoin is a hybrid Layer-2 network Bitcoin blockchainCayman Islands$14M
NotabeneNotabene is a New York-based FinTech and RegTech company founded in 2020.United States$12M
Coin MetricsCoin Metrics is a provider of crypto financial intelligence providing network data, market data, index, and network risk solutions.United States$8.6M
GromaGroma is a vertically integrated real estate investment, development and management companyUnited States$1.0M
Capsule SocialCapsule is a France-based decentralized social networking platform that allows individuals to create, connect, share, discover andFrance$102K
Series A
3 startups · $197M raised
- TTallyUnited States$163M
XFXXFX is a fintech company focused on enhancing foreign exchange (FX) and international settlement infrastructure.United States$26M
Mountain ProtocolWe believe that everyone deserves access to the "risk-free rate" through a secure, regulated, and enterprise-grade product.United States$8.0M
How this map is made. Every startup here works in Web3 & Crypto and has raised money in a round we track that names Castle Island Ventures as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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