Castle Island Ventures

BlockFi, Inc. is a New York-based financial services company that specializes in providing wealth management products for cryptocurrency investors. Founded in 2017, it offers interest-bearing accounts that allow clients to earn yields on their Bitcoin, Ether, and Gemini Dollar holdings. The company also facilitates secured loans in USD, where clients can collateralize their loans with cryptocurrency assets. Additionally, BlockFi provides a trading platform for exchanging various cryptocurrency pairs and customizable lending options for institutions. By leveraging a sophisticated infrastructure that integrates with multiple blockchains, BlockFi aims to enhance liquidity and efficiency in digital financial markets, catering to the needs of both individual and institutional clients.

Manetu, Inc. develops a consumer privacy management platform that focuses on safeguarding sensitive data while allowing for its legitimate use. Established in 2019 and based in Ridgewood, New Jersey, the platform serves as an infrastructure for end-to-end management of private information, enabling users to collaborate effectively with their customers. It allows users to determine what data to share and for what duration, thereby enhancing data protection and user control. Manetu employs advanced technologies such as cryptographic and biometric mechanisms, along with machine learning, to authenticate identities and provide ongoing insights and alerts regarding data usage. This approach aims to minimize friction in data management while ensuring compliance with privacy standards.

BlockFi, Inc. is a New York-based financial services company that specializes in providing wealth management products for cryptocurrency investors. Founded in 2017, it offers interest-bearing accounts that allow clients to earn yields on their Bitcoin, Ether, and Gemini Dollar holdings. The company also facilitates secured loans in USD, where clients can collateralize their loans with cryptocurrency assets. Additionally, BlockFi provides a trading platform for exchanging various cryptocurrency pairs and customizable lending options for institutions. By leveraging a sophisticated infrastructure that integrates with multiple blockchains, BlockFi aims to enhance liquidity and efficiency in digital financial markets, catering to the needs of both individual and institutional clients.

DUST — the Diamond Unclonable Security Tag — is a proprietary technology which utilizes nanodiamonds to create an unclonable identity layer on any object. An optical scanner and cloud-based infrastructure provides an interface to the object identity and provenance. DUST ensures that trusted data and verifiable products are used and traced across their full lifecycle.

DUST — the Diamond Unclonable Security Tag — is a proprietary technology which utilizes nanodiamonds to create an unclonable identity layer on any object. An optical scanner and cloud-based infrastructure provides an interface to the object identity and provenance. DUST ensures that trusted data and verifiable products are used and traced across their full lifecycle.