19 May Developers of Ethereum Privacy Tool Tornado Cash Smash Their Keys
Ethereum’s premier coin mixing service is now permissionless.
Tornado Cash, a privacy tool for obfuscating the history of Ether (ETH) transactions, completed a cryptographic process known as a trusted setup ceremony on May 10 followed by a contract update on Monday to create perpetually self-executing code.
“With a record 1,114 contributions this was by far the largest Trusted Setup Ceremony to date,” Tornado Cash wrote in a May 13 blog post. “By comparison, all other trusted setup ceremonies had less than 200 participants.”
The ceremony, relying on a cryptographic method known as multi-party computation (MPC), makes Tornado Cash “completely trustless and unstoppable,” co-founder Roman Storm said in an interview with CoinDesk.
Read more: MPC Explained: The Bold New Vision for Securing Crypto Money
Tornado Cash v1 first launched in August 2019, but remained an audited “experimental software” because the developers retained control over user funds through a multi-sig…