2 papers
cs.CR2025
ShadowBlock: Efficient Dynamic Anonymous Blocklisting and Its Cross-chain Application
Haotian Deng, Mengxuan Liu, Chuan Zhang +3
Online harassment, incitement to violence, racist behavior, and other harmful content on social media can damage social harmony and even break the law. Traditional blocklisting tec…
cs.CR2025
Epass: Efficient and Privacy-Preserving Asynchronous Payment on Blockchain
Weijie Wang, Jinwen Liang, Chuan Zhang +3
Buy Now Pay Later (BNPL) is a rapidly proliferating e-commerce model, offering consumers to get the product immediately and defer payments. Meanwhile, emerging blockchain technolog…