Xiao, S. 2025. Investigations into a Cross-Domain Authentication Model for Cloud Computing, Utilizing a Dynamically Sharded Masterchain-Sidechain Hybrid Architecture for Enhanced Privacy-Regulatory Equilibrium. Science and Technology of Engineering, Chemistry and Environmental Protection. 3, 2 (Apr. 2025), 9292. DOI:https://doi.org/10.61173/q44fp397.