4 papers
EIP-7702 Phishing Attack
Minfeng Qi, Qin Wang, Ruiqiang Li +2
EIP-7702 introduces a delegation-based authorization mechanism that allows an externally owned account (EOA) to authenticate a single authorization tuple, after which all subsequen…
Understanding NFTs from EIP Standards
Minfeng Qi, Qin Wang, Guangsheng Yu +3
We argue that the technical foundations of non-fungible tokens (NFTs) remain inadequately understood. Prior research has focused on market dynamics, user behavior, and isolated sec…
BRC20 Snipping Attack
Minfeng Qi, Qin Wang, Ningran Li +2
In this paper, we introduce and implement BRC20 sniping attack. Our attack manipulates the BRC20 token transfers in open markets and disrupts the fairness among bidding participant…
SoK: Bitcoin Layer Two (L2)
Minfeng Qi, Qin Wang, Zhipeng Wang +5
We present the first Systematization of Knowledge (SoK) on constructing Layer Two (L2) solutions for Bitcoin. We carefully examine a representative subset of ongoing Bitcoin L2 sol…