2025/02/13 by Yue Li, Han Liu, Li, Yue +1
Computer Science · Decision Sciences · Engineering · #Distributed #FOS: Computer and information sciences #Optimization and Search Problems #Parallel #Simulation Techniques and Applications #Transportation and Mobility Innovations #and Cluster Computing (cs.DC)
paper · pdf · doi:10.48550/arxiv.2502.08919
openalex publication_date 2025/02/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Ethereum has been a cornerstone of the decentralized ecosystem, with rollup-based scaling solutions like Arbitrum and Optimism significantly expanding its capabilities. These rollups enhance scalability and foster innovation, but their rapid proliferation has introduced liquidity fragmentation. Specifically, tokens distributed on multiple rollups fragment the liquidity of users, complicating participation in trading and lending activities bound by minimum liquidity thresholds. This paper proposes UAT20, a universal abstract token standard, to address liquidity fragmentation across rollups. Leveraging Conflict-free Replicated Data Types (CRDTs), UAT20 ensures consistent states across multiple rollups. We introduce a two-phase commit protocol to resolve transaction conflicts, enabling seamless and secure liquidity unification. Finally, our empirical analysis demonstrated the necessity and effectiveness of UAT20 in mitigating liquidity fragmentation within Rollups.