在研的项目：

国家重点研发计划, 开放环境下大数据安全利用关键技术研究(2021YFB3101103), 参与；

国家自然科学基金青年项目，区块链系统中面向业务优化的混合状态验证机制的可扩展性研究(62302202)，主持。

发表SCI/EI论文十余篇，近五年部分论文成果：

1.Xiaoqin Feng, Jianfeng Ma, Huaxiong Wang, Yinbin Miao, Ximeng Liu, and Zhongyuan Jiang. An Accessional Signature Scheme With Unmalleable Transaction Implementation to Securely Redeem Cryptocurrencies. IEEE Transactions on Information Forensics and Security, 18: 4144-4156, 2023. (CCF A)

2.Xiaoqin Feng, Jianfeng Ma, Yinbin Miao, Ximeng Liu, and Kim-Kwang Raymond Choo. Social Characteristic-based Propagation-efficient PBFT Protocol to Broadcast in Unstructured Overlay Networks. IEEE Transactions on Dependable and Secure Computing, 19(6): 3621-3639, 2023. (CCF A)

3.Xiaoqin Feng, Jianfeng Ma, Yinbin Miao, Ximeng Liu, and Kim-Kwang Raymond Choo. Regulatable and Hardware-based Proof of Stake to Approach Nothing at Stake and Long Range Attacks. IEEE Transactions on Services Computing, 16(3): 2114- 2125, 2023. (CCF A)

4.Xiaoqin Feng, Jianfeng Ma, Shaobin Liu, Yinbin Miao, and Ximeng Liu. Auto-scalable and Fault-tolerant Load Balancing Mechanism for Cloud Computing Based on the Proof-of-Work Election. SCIENCE CHINA Information Sciences, 65(1): 112102, 2022. (CCF A)

5.Xiaoqin Feng, Jianfeng Ma, Huaxiong Wang, Sheng Wen, Yang Xiang, Yinbin Miao. Space efficient Storage Structure of Blockchain Transactions Supporting Secure Verification. IEEE Transactions on Cloud Computing, 2022, doi: 10.1109/TCC.2022.3220664.

6.Xiaoqin Feng, Jianfeng Ma, Shaobin Liu, Yinbin Miao, Ximeng Liu, and Kim-Kwang Raymond Choo. Transparent Ciphertext Retrieval System Supporting Integration of Encrypted Heterogeneous Database in Cloud-assisted IoT. IEEE Internet of Things Journal, 9(5): 3784-3798, 2022.

7.Xiaoqin Feng, Jianfeng Ma, Yinbin Miao, Qian Meng, Ximeng Liu, Qi Jiang, and Hui Li. Pruneable Sharding-based Blockchain Protocol. Peer-to-Peer Networking and Applications, 12(4): 934-950, 2019.

8.Shaobin Liu, Jianfeng Ma, and Xiaoqin Feng. Transparent Access and Integration of Heterogeneous Encrypted Database in Hybrid Cloud Environment. In proc. of IEEE International Conference on Communications, 2019: 1-6, Shanghai, China.

课题组欢迎对区块链、工业互联网安全认证、密码理论与技术感兴趣的硕士生、本科生加入。