Buterin’s Call for Privacy
Ethereum co-founder Vitalik Buterin has reiterated the importance of robust privacy protections in the face of growing AI-driven data centralization. In a recent blog post, Buterin argues that privacy is not merely a personal right, but a crucial pillar supporting decentralization, innovation, and freedom. He emphasizes that privacy empowers individuals to act freely without fear of judgment or reprisal from governments, platforms, or algorithms. Furthermore, he believes privacy is fundamental to societal systems that rely on confidentiality, and that improved tools for controlling information sharing can unlock new technological and social advancements. He concludes with a stark warning: “Privacy can no longer be ignored.”
AI’s Centralizing Force
Buterin highlights the link between information control and centralization, asserting that whoever controls the data holds the power. This power imbalance, he argues, threatens the core principles of blockchain and decentralized systems. While concerns about data ownership often center on censorship and de-platforming, Buterin warns of more insidious issues stemming from AI.
The AI-Driven Data Dilemma
He contends that AI is accelerating the centralization of data collection and analysis, exacerbated by the increasing volume of personal information individuals share online, often unwittingly. Looking ahead to technologies like brain-computer interfaces, Buterin cautions that future privacy breaches could extend beyond metadata to encompass even thoughts and intentions. He expresses concern over AI products that passively collect browsing history, emails, chats, biometric data, and more, noting that while data is theoretically private, it doesn’t always remain so in practice.
Centralization’s Inherent Instability
Buterin acknowledges that even well-intentioned centralization can create instability. Governments and corporations may misuse or sell sensitive data, and seemingly secure systems remain vulnerable to internal abuse or external attacks. He also points to the risk of shifting political landscapes abruptly changing









