# kaal:claim:3266953-011

**Claim.** Nobody has yet created a reputation engine that is genuinely resistant to Sybil attack and that cannot be corrupted regardless of the economics at stake, despite the many platforms that capture reputation.

**Type.** empirical  **Support.** asserted

**Holds when.**

- as of the time of writing
- platforms including Facebook, Linkedin, Twitter, Uber, Airbnb and Yelp

**Source quote.**

> Yet, nobody has created a truly Sybil-attack resistant reputation engine that cannot be corrupted, regardless of the economics at stake.

**From.** Craig Calcaterra, Wulf A. Kaal, Gopinath Sivalingam, *Reputation Protocol for the Internet of Trust - Conceptual Whitepaper* (2018), Motivation, page 10

**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

**Failure mode.** no incorruptible reputation engine  (family: reputation-system-gaming)

**Topics.** consensus-and-security, reputation

**Keywords.** sybil-resistance, reputation-engine, corruption, platform-business

**Canonical form.** This markdown file is the canonical hashed representation of the claim. Its sha256 is the content hash used for attestation.