# Privacy Chains Sharpen a Question: Who Controls the Off Switch

Aztec and Miden are building confidential-execution designs and arguing over who, if anyone, should be able to disable a user's privacy.

- Published: 2026-07-01T10:31:41.172Z
- Canonical: https://polylog.news/crypto/2026-07-01/privacy-chains-sharpen-a-question-who-controls-the-off-switc
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Aztec Network](https://aztec.network/blog/who-controls-your-privacy-off-switch), [Miden](https://miden.xyz/blog/practical-privacy), [Aztec Network (transaction internals)](https://aztec.network/blog/inside-an-aztec-transaction)

A group of privacy-focused networks is moving from research to live systems, and their public writing has converged on a single design question. Aztec, a zero-knowledge network on Ethereum, frames it directly in a post asking who controls a…

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