Yucheng Sun

I am a PhD student in School of Computing, National University of Singapore. My advisor is Prof. Haifeng Yu.

I am interested in distributed algorithms and distributed systems. Feel free to reach out to me via suny (@) u.nus.edu.

Publications

• • Yucheng Sun, Ruomu Hou, and Haifeng Yu. Robust and Low-Degree Overlay for Secure Flooding Against Resource-Bounded Adversaries. In IEEE Transactions on Networking (ToN), Feb, 2026. Journal link. Source code page.
• • Yucheng Sun, Haifeng Yu, and Ruomu Hou. 2025. Committee Selection with Non-Proportional Weights. In CCS. Slides. Source code page.
• • Ruomu Hou, Haifeng Yu, and Yucheng Sun. Selfied: Sybil Defense in Permisionless Blockchains via In-protocol Bandwidth Consumption. In Computer Networks, Jan, 2025. Journal link.
• • Yucheng Sun, Ruomu Hou, and Haifeng Yu. Using Multi-dimensional Quorums for Optimal Resilience in Multi-resource Blockchains. In Formal Aspect of Computing, Dec, 2024. Journal link.
• • Yucheng Sun, Ruomu Hou, and Haifeng Yu. 2024. Robust and Low-degree Overlay for Secure Flooding Against Resource-bounded Adversaries. In PRDC. Wins Best Paper Award. Slides. Source code page.
• • Yucheng Sun, Ruomu Hou, and Haifeng Yu. 2023. Using Multi-dimensional Quorums for Optimal Resilience in Multi-resource Blockchains. In PRDC. Wins 2023 IEEE Distinguished Paper Award on Dependable Computing. Slides.
• • Ruomu Hou, Irvan Jahja, Yucheng Sun, Jiyan Wu, and Haifeng Yu. 2022. Achieving Sublinear Complexity under Constant T in T-interval Dynamic Networks. In SPAA.

Teaching

• I have been assisting various courses in NUS, from basic programming courses to advanced algorithm topics. Here is a simplified list:
• • Distributed Systems under Prof. Haifeng Yu. NUS.
• • Parallel and Distributed Algorithms under Prof. Haifeng Yu. NUS.
• • Algorithm Design and Analysis under Prof. Warut Suksompong. NUS.
• • Data Structure & Algorithms under Prof. Chong Ket Fah, Prof. Tan Sun Teck. NUS.
• • Object Oriented Programming under Prof. Ooi Wei Tsang, Prof. Boyd Anderson. NUS.
• • Introductory Programming under Prof. Martin Henz, Prof. Ooi Wei Tsang. NUS.

Services

• • Reviewer, for ACM Transactions on Internet Technology. Link.

Education

• • B.Comp. in Computer Science, National University of Singapore, 2023

Awards

• • NUS Research Achievement Award, Jan 2026.
• • NUS President Graduate Fellowship, 2023-2027.
• • Honour list of student tutor * 2. 2022-2023. NUS.
• • Outstanding Undergraduate Research Prize (Best Undergraduate Researcher (Individual)): Awarded for project Improved Algorithms in Dynamic Networks. NUS, 2022. Advisor for the project is Prof. Haifeng Yu.
• • Dean's list * 3 (top 5% of the cohort). 2020-2022. NUS.
• • Top Students in Parallel and Distributed Algorithms. 2022. NUS.