QooryBeta
Castle Island

Castle Island

Venture Capital
United StatesEst. Jan 1, 201853 investments

Portfolio

53
Bitwise
Bitwise

Crypto asset manager

Funding$70.0MFeb 2025
Casa
Casa

Bitcoin wallet to improve security and privacy

Funding
Valinor
Valinor

Blockchain-based private lending company

Funding
Coin Metrics
Coin Metrics

Crypto analytics provider

Funding
Eaglebrook Advisors
Eaglebrook Advisors

Digital asset investment platform

Funding
Kintsu
Kintsu

Liquid staking protocol

Funding
Project Eleven
Project Eleven

Quantum-resistant computing solution

Funding
RockSolid Network
RockSolid Network

Ethereum liquidity staking protocol

Funding
Mountain Protocol
Mountain Protocol

Stablecoin Protocol

Series A$8.0MJun 2024
Kinetic
Kinetic

Solana-based DEX aggregator

Funding
Friktion
Friktion

Full-stack portfolio and risk management platform

Funding$5.5MJan 2022
SoundMint
SoundMint

Music NFT platform

Funding
Hidden Road
Hidden Road

Global credit network for institutional investors

Series A$50.0MJul 2022
TRM Labs
TRM Labs

Digital asset compliance & risk management solutions

Series C$70.0MFeb 2026
BIT
BIT

Digital asset financial services platforms

Series C$100.0MAug 2021
Endstate
Endstate

Premium Sneakers Powered by NFTs

Funding
SendBlocks
SendBlocks

Blockchain data management company

Funding
Flipside
Flipside

Blockchain ecosystem growth and analytics company

Funding
Blogchain / Capsule Social
Blogchain / Capsule Social

Web3 publishing platform

Funding
Dynamic
Dynamic

Web3 authentication platform

Funding
42
42

On-chain prediction market platform

Funding$7.2MJan 2023
Nirvana Labs
Nirvana Labs

Web3 infrastructure solution

Funding
Babylon
Babylon

Bitcoin Staking Protocol

Funding$15.0MJan 2026
Notabene
Notabene

Crypto Travel Rule compliance solution

Funding
Cyclops
Cyclops

Stablecoins and crypto platforms

Funding
Attestiv
Attestiv

Digital data validation platform

Funding
XFX
XFX

Cross border settlement infrastructure

Funding
Station70
Station70

Institutional trusted recovery infrastructure

Funding
DAWN
DAWN

Decentralized wireless network

Series B$13.0MDec 2025
Surus
Surus

Institutional-grade asset management platform

Funding
Chaos Labs
Chaos Labs

Automated economic security system for crypto protocols

Funding
Crusoe Energy
Crusoe Energy

Green energy company

Funding
PYOR
PYOR

Digital Assets Data Platform

Funding
MoonPay
MoonPay

Payments infrastructure for crypto

Funding$87.0MApr 2022
Tally
Tally

DAO operations platform

Series A$8.0MApr 2025
Dinara
Dinara

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Funding
Evaluate
Evaluate

NFT portfolio management platform

Funding
Halborn
Halborn

Blockchain cybersecurity firm

Series A$90.0MJul 2022
Mash
Mash

A Web3 content platform that enables creators and builders to monetize

Funding
Manetu
Manetu

The solution for sensitive data secure and usable

Funding
Monad
Monad

High-performance layer 1 blockchain

Funding$188.0MNov 2025
Pyth Network
Pyth Network

Oracle Solution

Funding
Revv
Revv

Decentralized marketplace infrastructure

Funding
SatLayer
SatLayer

Bitcoin restaking platform

Pre-Seed$8.0MAug 2024
Beam
Beam

Payment Service Provider

Funding$2.0MMay 2021
Arcade
Arcade

Marketplace for peer-to-peer commerce

Funding$4.8MJan 2024
Pear Protocol
Pear Protocol

On-chain spread trading platform

Strategic$4.1MJul 2025
DFX Finance
DFX Finance

Decentralized foreign exchange protocol

Seed$5.0MFeb 2021
BOB
BOB

Meme coin

Funding$10.0MNov 2025
Stable
Stable

Layer 1 blockchain

Seed$28.0MMay 2026
Talos
Talos

AI-driven protocol

Funding
Meow
Meow

Compliant crypto yield offering for corporate treasuries

Funding
Ethena
Ethena

ETH based delta-neutral stablecoin

Strategic$14.0MSep 2025