NuCypher is a cryptography company that provides data privacy solutions by leveraging advanced encryption techniques and blockchain technology. Its main offering, the NuCypher network, facilitates end-to-end encrypted data sharing for decentralized applications. The platform specializes in proxy re-encryption, a type of encryption that enables data to be re-encrypted from one party to another without the need to decrypt it first. This feature is particularly useful for managing permissions in data sharing scenarios common in cloud computing environments and decentralized networks.NuCypher's system is designed to be highly scalable and secure, offering developers the tools to implement robust privacy protocols into their applications. The infrastructure primarily targets developers working on decentralized finance (DeFi) projects, healthcare applications, and other sectors where data privacy is crucial. By integrating NuCypher's offerings, developers can ensure that sensitive information remains confidential and secure, even in a multi-user environment.