# kaal:claim:3931933-015

**Claim.** The initial Casper testnet group was hampered by communication shortcomings, with only around 680 validators present in the telegram group that served as the main channel for news and updates.

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

**Holds when.**

- 2021 Casper testnet validator community

**Source quote.**

> Yet, the initial testnet group were hampered by communication shortcomings. For example, only around 680 of the validators were present in the telegram group.

**From.** Wulf A. Kaal, *Hybrid Secure Proof of Stake* (2021), Testnets as remedies to platform centralization, page 5

**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.** single channel communication gap  (family: collective-action-and-coordination-failure)

**Topics.** consensus-and-security, institutional-design, disclosure

**Keywords.** casper-network, testnet, communication-channels, validator-coordination, information-asymmetry

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