# Privacy Chains Sharpen an Institutional Pitch, and a Debate Over Who Holds the Off-Switch

Aztec and Miden argue confidential execution is now a prerequisite for serious on-chain use, while contesting who controls the ability to disclose.

- Published: 2026-06-23T10:27:12.108Z
- Canonical: https://polylog.news/crypto/2026-06-23/privacy-chains-sharpen-an-institutional-pitch-and-a-debate-o
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Miden](https://miden.xyz/blog/practical-privacy), [Aztec Network](https://aztec.network/blog/who-controls-your-privacy-off-switch), [Miden](https://miden.xyz/blog/what-is-miden-guardian)

The privacy-focused networks building on zero-knowledge cryptography are reframing confidentiality from a niche feature into a baseline requirement for institutional adoption. Miden argues that practical privacy is the precondition for bloc…

This story is for subscribers. Read it in full at https://polylog.news/crypto/2026-06-23/privacy-chains-sharpen-an-institutional-pitch-and-a-debate-o (subscription information: https://polylog.news/pricing).