Zupass

A decentralized, open-source, private-by-design platform for privacy-first collaboration tools like dDocs and dSheets, with encryption and user control over data.

Fluidkey 允许用户无缝管理、接收和发送链上资产，同时保护他们的隐私。

Decentralized, privacy-preserving human identity used for identity verification, online voting, certifications, and more.