Blockchain Transaction Censorship: (In)secure and (In)efficient?

ePrint Report: Blockchain Transaction Censorship: (In)secure and (In)efficient?

Zhipeng Wang, Xihan Xiong, William J. Knottenbelt

The ecosystem around blockchain and Decentralized Finance (DeFi) is seeing more and more interest from centralized regulators. For instance, recently, the US government placed sanctions on the largest DeFi mixer, Tornado.Cash (TC). To our knowledge, this is the first time that centralized regulators sanction a decentralized and open-source blockchain application. It has led various blockchain participants, e.g., miners/validators and DeFi platforms, to censor TC-related transactions. …

blockchain cash censorship decentralized defi ecosystem eprint report finance government instance interest knowledge mixer regulators report sanctions tornado transaction