Castle Island Ventures β 2022 Investments
6 investments dated 2022 Β· listed companies and verified rows first Β· show all
Modern Treasury provides a payment infrastructure platform that enables companies to launch multi-rail payment products supporting both fiat and stablecoins through a single API.
Cloud ComputingCrypto & Web3Data & InfrastructureFintechSaaS
Co-investorsArca FundsArchetypeBlocktower CapitalEniac VenturesSoma Capital
Casa provides self-custody solutions for bitcoin and stablecoins, offering multi-signature security infrastructure for both individual and institutional users.
Crypto & Web3Fintech
Nick Neuman(Founder & CEO)in
Co-investorsChampion Hill VenturesF-Prime CapitalFabric VenturesFulgur VenturesSTILLMARKTioga Capital Partners+4 more
Eaglebrook is a crypto investment platform for wealth managers, offering tax-optimized Bitcoin, Ethereum, and multi-asset separately managed accounts (SMAs) held in segregated accounts at qualified custodians.
Crypto & Web3FintechSaaS
Christopher King(Founder)in
Co-investorsBrewer Lane VenturesF-Prime CapitalAvon VenturesFlyover CapitalFranklin TempletonGemini Frontier Fund+2 more
Hoseki provides cryptographic verification of Bitcoin and digital asset holdings, letting holders generate verifiable proofs of ownership and businesses request and verify counterparty holdings without exposing addresses or sensitive data.
Crypto & Web3FintechSaaS
Sam Abbassi(CEO)inCory Wilbur(CTO and Head of Product)in
Co-investorsF-Prime CapitalFulgur VenturesSTILLMARKAvon VenturesTen31
Other
Tracked investments with no reachable website or further public details β typically companies that wound down, renamed, or were absorbed.
Arnac Software Ltd.Try Your Best
Rows marked βSEC filingβ are inferred from directors named on the company's SEC Form D β public regulatory data, not a portfolio list published by the firm.






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