Hester Peirce, a commissioner at the Securities and Exchange Commission, this week defended privacy-enhancing crypto tools, arguing they protect investors and support compliance. Her remarks come as regulators face mounting pressure to crack down on technologies that obscure transaction data, with Peirce calling for a more balanced approach.
Why Peirce sees privacy as protective
Speaking publicly, Peirce asserted that privacy-enhancing tools are not inherently at odds with regulation. She said they can actually help investors by reducing the risk of data breaches and unwanted exposure. On the compliance side, she argued that such tools let legitimate users control their financial information without automatically flagging them as bad actors. The commissioner framed the debate not as a trade-off between privacy and safety, but as a question of design — whether rules can accommodate both.
Rising surveillance concerns
Peirce’s defense lands alongside a broader push by some regulators and law enforcement agencies to limit or ban certain privacy features, citing risks of money laundering and sanctions evasion. She acknowledged those concerns but warned against a blanket approach that would stifle innovation and push activity into unregulated channels. The commissioner called for rules that target illicit behavior without dismantling the privacy architecture that many everyday users rely on.
Peirce’s track record on crypto
The commissioner has a history of advocating for clearer, more permissive crypto rules at the SEC. Her latest comments reinforce that stance, but they also offer a specific legal and policy argument: that privacy tools can coexist with investor protections if regulators write rules that focus on outcomes rather than technologies. She didn't endorse any particular product or protocol, but made clear that she sees a role for privacy in the regulated market.
What comes next
The SEC has not signaled any immediate shift in its enforcement priorities. But Peirce’s remarks add a dissenting voice inside the agency as it weighs how to handle privacy coins, mixers, and zero-knowledge proofs. Her call for balance is likely to feature in the ongoing debate over the agency’s rulemaking agenda later this year.




