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cs.DC2026
RegionFence: Adaptive Concurrency Control for Blockchain Parallel Transaction Execution
Jiaying Feng, Linpeng Jia, Yi Sun
Smart contracts have turned blockchains into general platforms, and their throughput is increasingly limited by transaction execution. Parallel execution can relieve this bottlenec…
cs.DC2026
Nautilus: A Verifiable Hierarchical Federated Learning Framework for Vehicular-Edge-Cloud Systems
Linyang Wu, Linpeng Jia, Hanwen Zhang +2
Federated Learning (FL) enables privacy-preserving collaborative learning for Internet of Vehicles (IoV) scenarios, but extreme heterogeneity of vehicular-edge-cloud resources seve…
cs.DC2026
EchoFlow: A Workload-Aware Parameter Tuning Method for Blockchain Systems
Ben Lian, Linpeng Jia, Xing Chen +2
Blockchain systems expose a large number of tunable parameters that significantly influence system performance. However, in practice, a single parameter configuration is often appl…