# kaal:claim:4067783-035

**Claim.** Proof of personhood projects such as Proof of Humanity and UBI DAO fail because they rest on web-of-trust theory, which has been proven not to work long-term given the sockpuppet attacks that are inevitable in that design.

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

**Holds when.**

- identity systems built on web-of-trust vouching

**Source quote.**

> Of course, these attempts are all falling victim to web-of-trust theory that has been proven to not work long-term because the sockpuppet attacks that are inevitable in this design.

**From.** Wulf A. Kaal, *DAO Fallacies* (2022), III.3 Use #3: Micro-Democracy, page 15

**Cite as.** Wulf A. Kaal, DAO Fallacies (2022). SSRN: https://ssrn.com/abstract=4067783

**Verify.** sha256 of source PDF `48f1e307cdbbe28c7843f7744d0ba8cf01662f257a53f2066a7a6c7e03a5acec` at https://raw.githubusercontent.com/wulfkaal/Academic-Papers/main/papers/pdf/Kaal%20-%202022%20-%20DAO%20Fallacies.pdf

**Failure mode.** Sockpuppet attack on web-of-trust vouching  (family: sybil-and-identity-attack)

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

**Keywords.** proof-of-humanity, web-of-trust, sybil-attack, identity, micro-democracy

**Related claims.**

- specializes: https://wulfkaal.github.io/claims/3266953-028
- contested_by: https://wulfkaal.github.io/claims/5886442-033

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