My research interests include blockchain and distributed system.
Email: rkzhang@stu.pku.edu.cn

Publications

ShuttleCross: An Efficient Cross-Chain Smart Contract Invocation Framework (DSN2026)

• Rongkai Zhang, Qiuyu Ding, Qianyi Liu, Shengjie Guan, Zhen Xiao, andJieyi Long.

Nexus: A Novel Transaction Processing Framework for Permissioned Blockchain (TPDS2026)

• Shengjie Guan , Rongkai Zhang , Qiuyu Ding , Mingxuan Song , Zhen Xiao, Jieyi Long , Mingchao Wan, Taifu Yuan, and Jin Dong.

Alzo: Auto-Tuning with Reinforcement Learning for DAG-based Blockchains (WWW2026)

• Qiuyu Ding, Rongkai Zhang, Qinnan Zhang, Zhen Xiao, Jieyi Long, Mingchao Wan, Sen Liu, and Jin Dong.

Comprehensive Deadlock Prevention for GPU Collective Communication (EuroSys2025)

• Lichen Pan, Juncheng Liu, Yongquan Fu, Jinhui Yuan, Rongkai Zhang, Pengze Li, and Zhen Xiao.

Understanding the Weakness of Large Language Model Agents within a Complex Android Environment (KDD2024)

• Mingzhe Xing, Rongkai Zhang, Hui Xue, Qi Chen, Fan Yang, and Zhen Xiao.

Presto: Optimizing Cross-Shard Transactions in Sharded Blockchain Architecture (SRDS2024)

• Qiuyu Ding, Rongkai Zhang, Shenglin Yin, PengZe Li, Shengjie Guan, Zhen Xiao, Jieyi Long