Yajin Zhou

Seeds of SEED: H²Cache: Building a Hybrid Randomized Cache Hierarchy for Mitigating Cache Side-Channel Attacks

2021

Cache side-channel attacks can leak critical information from the target programs. The cache randomization methodology has proven to be an efficient way to mitigate such attacks. However, existing works do not take the cache hierarchy …

Penny Wise and Pound Foolish: Quantifying the Risk of Unlimited Approval of ERC20 Tokens on Ethereum

2022

The prosperity of decentralized finance motivates many investors to profit via trading their crypto assets on decentralized applications (DApps for short) of the Ethereum ecosystem. Apart from Ether (the native cryptocurrency of Ethereum), many ERC20 …