Yucheng Sun

Feel free to reach out to me via suny at u.nus.edu.

I am interested in distributed algorithms and distributed systems.

Publications

• 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. Slides.

I have been assisting various courses in NUS, from basic programming courses to advanced algorithm topics. Here is a simplified list:
CS5223 * 2 under Prof. Haifeng Yu. NUS.
CS4231 * 3 under Prof. Haifeng Yu. NUS.
CS3230 under Prof. Warut Suksompong. NUS.
CS2040(S) * 5 under Prof. Chong Ket Fah and Prof. Tan Sun Teck. NUS.
CS2030 * 2 under Prof. Ooi Wei Tsang and Prof. Boyd Anderson. NUS.
CS1101S under Prof. Martin Henz. NUS.
CS1010 under Prof. Ooi Wei Tsang. NUS.

Reviewer, for ACM Transactions on Internet Technology. Link.

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.