A new chapter in blockchain privacy just began — and it has Vitalik’s stamp of approval.
Ethereum co-founder Vitalik Buterin has become one of the first users of Privacy Pools, a newly launched semi-permissionless privacy protocol on the Ethereum network. Developed by 0xbow.io and officially launched on March 31, this tool offers users the ability to make private transactions while proving their funds aren’t tied to illicit activity.
Designed for Privacy and Compliance
Privacy Pools use a concept called “Association Sets”, which batch user deposits while enabling transaction screening. The idea is to strike a balance between privacy and regulatory compliance — users can make anonymous deposits, but the system also ensures those funds don’t come from suspicious sources like hackers or scammers.
What makes the system unique is its dynamic Association Sets. If a transaction is later found to be connected to illegal activity, it can be removed without affecting the rest of the pool. If that happens, users can activate a “ragequit” feature to withdraw their funds to their original wallet.
This launch is part of 0xbow.io’s broader mission to “Make Privacy Normal Again” — aiming to create a privacy-preserving tool that regulators can live with.
From Tornado to Transparency
Privacy protocols have long faced scrutiny from regulators. The infamous Tornado Cash was blacklisted by the U.S. Treasury’s Office of Foreign Assets Control (OFAC) in 2022, after it was linked to laundering roughly $7 billion, much of it allegedly connected to North Korea’s Lazarus Group.
However, in a dramatic turn earlier this year, a U.S. appeals court ruled that the sanctions were unlawful, and Tornado Cash was removed from the OFAC list in January 2025.
Unlike Tornado, Privacy Pools aim for a middle path, building in mechanisms to exclude bad actors while preserving user privacy.
Vitalik Leads the Way
As of now, over 21 ETH has been deposited across 69 transactions into Privacy Pools, with one deposit confirmed from Vitalik Buterin himself.
Source- Vitalik Buterin
The platform has temporarily capped deposits at 1 ETH per user, though this limit is expected to increase as the protocol matures and becomes more robust.
Backed by several prominent names in crypto, including Number Group, BanklessVC, and Public Works, Privacy Pools is gaining early traction. The project’s roots can be traced to a September 2023 whitepaper co-authored by Buterin, Chainalysis Chief Scientist Jacob Illum, and researchers from the University of Basel. That paper has since been downloaded over 12,000 times and cited in nine academic publications.
Security First
Security has also been a top priority for the developers. The smart contract code underwent a comprehensive audit by Audit Wizard, a firm co-founded by a former Apple engineer, Joe van Loon.
With Chainalysis reporting that $41 billion in crypto transfers were linked to illicit activities in 2024 — approximately 0.14% of total on-chain volume — tools like Privacy Pools could help clean up the space without sacrificing privacy rights. That number is expected to rise to $51 billion as more addresses tied to criminal activity are uncovered.
As the debate over privacy and compliance continues, Privacy Pools may represent a new model for how the crypto world can preserve its ideals — while addressing real-world concerns.
