Castle Island Ventures

Surus is a platform for the future of finance, built on top of our licensed and regulated financial institution.

Coala Pay is building better contracting and payments infrastructure for the aid sector.

Alpen Labs is a startup scaling bitcoin with zero-knowledge technology.

CAT Labs is working on cybersecurity and digital asset recovery solutions.

Digital Asset Broker, Exchange and Custody

Yellow Card is the largest and first licensed Stablecoin on/off ramp on the African continent

Delta is a fully integrated solution designed from the ground up to eliminate the trade-off between sovereignty.

Arch is a financial technology company that offers credit to alternative asset owners.

SatLayer to protect any sort of dApp or protocol as a BVS, significantly enhancing security for all of cryptocurrency.

Andrena is a developer of an internet distribution platform designed to offer high-speed internet at reduced costs.