# kaal:claim:3808852-014

**Claim.** eBay's user rating system is visibly flawed and illustrates the need for a decentralized reputation verification system, yet no entity or individual has produced a better technology, and those decentralized ratings remained eBay's biggest competitive advantage.

**Type.** failure  **Support.** argued

**Source quote.**

> While the user ratings eBay uses clearly have flaws (that illustrate the need for a decentralized reputation verification system), so far, no entity or individual has been able to come up with a better technology.

**From.** Wulf A. Kaal, *Decentralization and Feedback Effects* (2021), III. Organizational Decentralization, page 11

**Cite as.** Wulf A. Kaal, Decentralization and Feedback Effects (2021). SSRN: https://ssrn.com/abstract=3808852

**Verify.** sha256 of source PDF `31e91158fdeefebc2f0be54ebf89751f7cdd4c89ecea932888f5ba9be6b1caba` at https://raw.githubusercontent.com/wulfkaal/Academic-Papers/main/papers/pdf/Kaal%20-%202021%20-%20Decentralization%20and%20Feedback%20Effects.pdf

**Failure mode.** absent decentralized reputation verification  (family: reputation-system-gaming)

**Topics.** reputation

**Keywords.** reputation-systems, user-ratings, ebay, verification

**Related claims.**

- restates: https://wulfkaal.github.io/claims/3411897-007

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