# kaal:claim:3931933-012

**Claim.** Validators who learned they would receive no reward shut down their nodes rather than waiting for the incentivization phase to end, so a reward scheme that visibly excludes participants loses their contribution immediately.

**Type.** failure  **Support.** evidenced

**Holds when.**

- 2021 Casper testnet incentivization phase

**Source quote.**

> Other validators shut down their nodes instead of waiting for the end of the incentivization phase when they realized that there was no reward for them.

**From.** Wulf A. Kaal, *Hybrid Secure Proof of Stake* (2021), Testnets as remedies to platform centralization, page 4

**Cite as.** Wulf A. Kaal, Hybrid Secure Proof of Stake (2021). SSRN: https://ssrn.com/abstract=3931933

**Verify.** sha256 of source PDF `55a71cdfceb96fadefba1f2fed9563b588825378c91aff644ee7faaccdf31204` at https://raw.githubusercontent.com/wulfkaal/Academic-Papers/main/papers/pdf/Kaal%20-%202021%20-%20Hybrid%20Secure%20Proof%20of%20Stake.pdf

**Failure mode.** exclusion driven node shutdown  (family: staking-and-incentive-misalignment)

**Topics.** consensus-and-security, risk-and-incentives

**Keywords.** casper-network, testnet, validator-attrition, incentive-design, reward-eligibility

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