Monday, 27 March 2023

Crypto News

Tornado Cash dev says ‘sequel’ to crypto mixer aims to be regulator-friendly

Tornado Cash dev says 'sequel' to crypto mixer aims to be regulator-friendly

A former Tornado Cash developer claims to be building a new crypto mixing service that aims to solve a “critical flaw” of the sanctioned crypto mixer —which he hopes will convince U.S. regulators to reconsider its position on privacy mixers.

The code of a new Ethereum-based mixer, “Privacy Pools,” was launched on GitHub on Mar. 5 by its creator, Ameen Soleimani.

In a 22-part Twitter thread, Soleimani explained that the “critical flaw” with Tornado Cash is that users cannot prove that they’re not associated with North Korea’s Lazarus Group or any criminal enterprise for that matter.

With Privacy Pools, however, Soleimani explained that depositors and withdrawers could opt out of an anonymity set that contains an address associated with stolen or laundered funds.

This feature of Privacy Pools is executed with zero-knowledge (ZK) proofs, meaning that the privacy of the user is preserved:

“Now, users have the option to help regulators isolate illicit funds, without revealing their entire transaction history […] With privacy pools, just because someone deposits into the same smart contract as you, it doesn’t mean they can also force you into sharing an anonymity set with them. It’s your choice.”

Soleimani provided a demonstration of how Privacy Pools is used:

The developer hopes the solution will empower “the community to defend against hackers abusing the anonymity sets of honest users without requiring blanket regulation or sacrificing on crypto ideals.”

While Privacy Pools is already live on Optimism, Soleimani noted that the first version of the privacy protocol is still in its “experimental” stage because the code isn’t complete and has not been audited, but he is “pretty close to having this ready.”

To see the protocol progress further, Soleimani wants on-chain forensics platforms like Chainlaysis and TRM Labs to conduct tracebacks on deposits so that users of the…

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