Q: What is Tornado Cash?
Tornado Cash is a decentralized protocol on Ethereum designed to enhance transaction privacy by mixing funds, making it difficult to trace the origin and destination of crypto transfers.

Q: Why is it controversial?
While it provides legitimate privacy for users, authorities argue it has been widely used for money laundering, including funds linked to hacking groups and sanctioned entities. This dual-use nature has made it a focal point in debates over privacy vs. regulation.

Q: What legal issues has it faced?
Developers, including Roman Storm, have been charged with facilitating illicit activity, raising concerns about whether writing open-source code can lead to criminal liability.