dSheets uses end-to-end encryption and zero-knowledge authentication via vOPRF-ID to enable private online collaboration without requiring downloads, signups or user data storage

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The tool is end-to-end encrypted and uses ZK-authentications for private online collaboration, Fileverse said.
No downloads, no sign-ups, full end-to-end encryption, granular permissions (email/@ens.eth/0x via @Hats Protocol 🧢), built on open standards, and w/ ZK-authentication (vOPRF-ID) for your private online collaboration.
The system protects information with end-to-end encryption and zero-knowledge proof-based authentication.