Overview

• In a new post and tweet on Sept. 24, the Ethereum co-founder extends openness to operating systems, hardware, and even biological interfaces.
• He argues users should be able to verify every layer rather than rely on opaque black boxes.
• He warns that microarchitecture flaws and side channels can undermine claims of provable security when lower layers remain closed.
• He proposes prioritizing open stacks for high-security, non‑performance‑critical uses such as digital identity and health data, criticizing proprietary health tech and praising open efforts like PopVax.
• Coverage presents the essay as a call to action, with growing discussion and no formal industry commitments, while some analysts suggest investors may start favoring projects that demonstrate end‑to‑end verifiability.