# kaal:claim:5225296-006

**Claim.** SPoS shifts the burden of consensus from energy expenditure to validator reputation, measured against a baseline of over 140 terawatt-hours consumed annually by Bitcoin as of 2023.

**Type.** mechanism  **Support.** evidenced

**Holds when.**

- comparison against PoW chains such as Bitcoin

**Source quote.**

> 140 terawatt-hours annually for Bitcoin alone as of 2023—SPoS shifts the burden of consensus to validator reputation

**From.** Wulf A. Kaal, *Cryptographic Foundations and Interdisciplinary Dimensions of the Secure Proof of Stake (SPoS) Conse* (2025), Significance for Layer 1 Industry

**Cite as.** Wulf A. Kaal, Cryptographic Foundations and Interdisciplinary Dimensions of the Secure Proof of Stake (SPoS) Conse (2025). SSRN: https://ssrn.com/abstract=5225296

**Verify.** sha256 of source PDF `b2fec675d906334ad67e13b2d97261dc31e38061022867eb3f9ceadd95f4878d` at https://raw.githubusercontent.com/wulfkaal/Academic-Papers/main/papers/pdf/Kaal%20-%202025%20-%20Cryptographic%20Foundations%20and%20Interdisciplinary%20Dimensions%20of%20the%20Secure%20Proof%20of%20Stake%20%28SPoS%29%20Conse.pdf

**Topics.** economics, consensus-and-security, tokenomics

**Keywords.** energy-efficiency, proof-of-work, layer-1, sem-tokens

**Related claims.**

- restates: https://wulfkaal.github.io/claims/3266953-017
- supports: https://wulfkaal.github.io/claims/3125827-032

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