4 papers
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…
XIR: A Framework for Interoperability across Cross-Chain Protocols Based on a Verifiable Intermediate Representation
Yushen Li, Linpeng Jia, Jiaying Feng +2
Cross-chain protocols enable applications to exchange messages across blockchains. Under point-to-point configurations, communication depends on a direct connection between the sou…
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…
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…