RTSC: Rapid Technology System Cooling A Blockchain Attestation Protocol for Co₂ Natural Refrigerant Cooling in High-Density Data Centers

Abstract

The global data center industry faces a convergent crisis: cooling accounts for 30-50% of facility energy consumption, while traditional synthetic refrigerants used in Computer Room Air Conditioners and chillersincluding R-410A (GWP = 2,088) and R-134a (GWP = 1,430)-are now banned for new data center installations under the U.S. AIM Act (effective January 2025) and EU F-Gas Regulation. This mandatory regulatory transition, combined with AI accelerator heat densities exceeding 700W per chip, creates a structural opportunity for CO₂ (R-744) natural refrigerant cooling: GWP = 1, zero ozone depletion, superior thermodynamic properties at high heat flux, and near-zero water consumption versus 1.8-9.5 L/kWh for evaporative alternatives. This paper presents RTSC (Rapid Technology System Cooling), a Layer-2 blockchain attestation protocol on Ethereum that quantifies, verifies, and tokenizes cooling efficiency improvements achieved through natural refrigerant systems. RTSC introduces a novel three-dimensional Cooling Efficiency Unit (CEU): energy efficiency (CEU-E), refrigerant environmental impact (CEU-R-a new metric capturing GWP elimination with no equivalent in existing standards), and carbon avoidance including waste heat recovery (CEU-C). CEUs are minted exclusively from oracle-attested sensor data secured by FROST threshold signatures and Zero-Knowledge proofs. A Monte Carlo simulation (n = 10,000) projects median PUE improvements of 35%, 100% WUE elimination (closed CO₂ loop), and 99.95% refrigerant GWP reduction. A game-theoretic analysis proves baseline manipulation is economically irrational. Economic sensitivity analysis identifies a break-even token price of $2.48-$4.38, with positive energy savings NPV independent of token price for median facilities.