Xiaodong Qi (戚晓冬)

I'm currently a research fellow from Centre in Computational Technologies for Finance, Nanyang Technological University (CCTF-NTU, Singapore), under the supervision of Prof. LI Yi. I got my bachelor's degree from Nanjing Normal University and my Ph.D. from East China Normal University (ECNU, China), under the supervision of Prof. JIN Cheqing. My research interest mainly lies in parallel smart contract execution, storage for blockchain systems, Byzantine fault tolerant protocol, blockchain sharding, smart contract analysis and etc.

Email: xiaodong.qi@ntu.edu.sg or xiaodongqibc@gmail.com

Social media: Google Scholar, ResearchGate, LinkedIn

News

Paper accepted by ICDE 2025

Loom: A Deterministic Execution Framework Towards Nested Contract Transactions accepted by ICDE'25!

Paper accepted by INFOCOM 2024

LightCross: Sharding with Lightweight Cross-Shard Execution for Smart Contracts accepted by INFOCOM'24 (acceptance rate 19.6%)!

Paper accepted by ICDCS 2023

Smart Contract Parallel Execution with Fine-Grained State Accesses accepted by ICDCS'23 (acceptance rate 18.9%)!

Paper accepted by ICDE 2023

SChain: Scalable Concurrency over Flexible Permisssioned Blockchain accepted by ICDE'23!

Paper accepted by INFOCOM 2022

S-Store: A Scalable Data Store towards Permissioned Blockchain Sharding accepted by INFOCOM'22 (acceptance rate 19.9%)!

Publications

Huan Zhang, Xiaodong Qi, Haibo Tang, Zhao Zhang, Cheqing Jin, Aoying Zhou, Loom: A Deterministic Execution Framework Towards Nested Contract Transactions. ICDE 2025.
Xiaodong Qi, Yi Li, LightCross: Sharding with Lightweight Cross-Shard Execution for Smart Contracts. INFOCOM 2024.
Xiaodong Qi, Jiao Jiao, Yi Li, Smart Contract Parallel Execution with Fine-Grained State Accesses. ICDCS 2023.
Xiaodong Qi, Zhihao Chen, et al., SChain: Scalable Concurrency over Flexible Permisssioned Blockchain. ICDE 2023.
Xiaodong Qi, Zhihao Chen, et al., S-Store: A Scalable Data Store towards Permissioned Blockchain Sharding. INFOCOM 2022.
Zhihao Chen, Qingqing Li, Xiaodong Qi, et al., BlockOPE: Efficient Order-Preserving Encryption for Permissioned Blockchain. ICDE 2022.
Xiaodong Qi, Zhihao Chen, et al., A Byzantine Fault Tolerant Storage for Permissioned Blockchain. SIGMOD 2021.
Cheqing Jin, Shaifeng Pang, Xiadong Qi, et al., A High Performance Concurrency Protocol for Smart Contracts of Permissioned Blockchain. TKDE 2021.
Zhihao Chen, Xiaodong Qi, et al., PEEP: A Parallel Execution Engine for Permissioned Blockchain System. DASFAA 2021.
Zhihao Chen, Haizhen Zhuo, Quanqing Xu, Xiaodong Qi, et al., SChain: A Scalable Consortium Blockchain Exploiting Intra- and Inter-Block Concurrency. VLDB 2021.
Xiaodong Qi, Zhao Zhang, et al., BFT-Store: Storage Partition for Permissioned Blockchain via Erasure Coding. ICDE 2020.
Xiaodong Qi, Zhao Zhang, et al., A Reliable Storage Partitioning for Permissioned Blockchain. TKDE 2020.
Minxi Li, Jiali Mao, Xiaodong Qi, Cheqing Jin. A framework for cloned vehicle detection. FCS 2020.
Zhigang Zhang, Xiaodong Qi, Yilin Wang, et al., Distributed Top-k Similarity Query on Big Trajectory Streams. FCS 2019.
Minxi Li, Jiali Mao, Xiaodong Qi, et al., Cloned Vehicle Behavior Analysis Framework. APWeb/WAIM 2018.

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