3 papers
cs.CR2025
Towards Automated Discovery of Asymmetric Mempool DoS in Blockchains
Yibo Wang, Yuzhe Tang, Kai Li +2
In blockchains, mempool controls transaction flow before consensus, denial of whose service hurts the health and security of blockchain networks. This paper presents MPFUZZ, the fi…
cs.CR2024
Asymmetric Mempool DoS Security: Formal Definitions and Provable Secure Designs
Wanning Ding, Yibo Wang, Yuzhe Tang
The mempool plays a crucial role in blockchain systems as a buffer zone for pending transactions before they are executed and included in a block. However, existing works primarily…
cs.CR2024
Defining and Preventing Asymmetric Mempool DoS in Ethereum with saferAd
Wanning Ding, Yibo Wang, Yuzhe Tang
This paper presents secure mempool designs under asymmetric DoS attacks. We formulate safety definitions under two abstract DoSes, namely eviction- and locking-based attacks. We pr…