Asymmetric Mempool DoS Security: Formal Definitions and Provable Secure Designs
Wanning Ding, Yuzhe Tang, Yibo WangSyracuse
IEEE Symposium on Security and Privacy 2025 · Day 2 · Blockchain I
In the fast-evolving landscape of blockchain technology, the **mempool** (memory pool) serves as a critical staging area for unconfirmed transactions. It acts as a buffer where transactions await selection by validators to be included in a new block. This talk, presented by Wanning Ding from the Full Stack Security Lab at Syracuse University, delves into the often-overlooked yet profoundly impactful issue of **Asymmetric Mempool DoS (Denial-of-Service) attacks**. These attacks exploit vulnerabilities in how mempools are managed, threatening the economic stability and operational integrity of blockchain networks by preventing legitimate transactions from being processed and denying validators their rightful revenue.