# kaal:claim:3266953-037

**Claim.** Semada's biometric onboarding technology uses zero knowledge proofs so that users retain continuing anonymity once they are onboarded.

**Type.** design  **Support.** asserted

**Holds when.**

- mobile biometric sign in to a wallet
- biometric onboarding is optional

**Source quote.**

> Semada uses zero knowledge proofs for its biometrics onboarding technology that guarantees continuing anonymity for users, once onboarded.

**From.** Craig Calcaterra, Wulf A. Kaal, Gopinath Sivalingam, *Reputation Protocol for the Internet of Trust - Conceptual Whitepaper* (2018), Persona Protocol, page 24

**Cite as.** Craig Calcaterra, Wulf A. Kaal, Gopinath Sivalingam, Reputation Protocol for the Internet of Trust - Conceptual Whitepaper (2018). SSRN: https://ssrn.com/abstract=3266953

**Verify.** sha256 of source PDF `781758dea356e55d79c73ad7f1debe7c83de398bd1cd9e0a9a6c2802f276b4c0` at https://raw.githubusercontent.com/wulfkaal/Academic-Papers/main/papers/pdf/Calcaterra%20et%20al.%20-%202018%20-%20Reputation%20Protocol%20for%20the%20Internet%20of%20Trust%20-%20Conceptual%20Whitepaper.pdf

**Topics.** consensus-and-security, citation-and-knowledge

**Keywords.** zero-knowledge-proofs, biometrics, anonymity, self-sovereign-identity

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