Vitalik Buterin emphasized that the Ethereum ecosystem must implement privacy protections as a default system design rather than treating them as optional features controlled by centralized components.

Date

July 2, 2025

Quotes that support claims

Buterin also called for privacy to be embedded by default. He criticized projects where anonymity is optional or protected via third-party login, practices that erode user privacy by exposing transaction activity through centralized server logs.

Privacy, he added, must flip from being treated as an optional feature to something that reduces data leaks by default.

Tags

Week 27 of 2025