Ethereum Co-Founder Joseph Lubin Sounds Alarm on AI Control by Big Tech

The next significant milestone in the crypto space is emerging from advancements in artificial intelligence, according to Joseph Lubin, Consensys CEO and Ethereum co-founder. In a conversation with CoinDesk, Lubin noted that autonomous agents can engage in transactions, coordination, and verification on decentralized networks, leveraging crypto infrastructure for machine-driven activities. Lubin, set to speak at Consensus Miami 2026, expressed sympathy for the idea that blockchain technology is suited for machine intelligences but does not envision human displacement. Instead, he foresees increasingly intelligent interfaces simplifying complexity, enabling users to interact with crypto systems through intent rather than manual inputs, with AI acting as an intermediary layer between people and protocols. However, this vision also carries risks, particularly if AI infrastructure remains concentrated among a few large technology firms, which could lead to trouble, as per Lubin's warning. He emphasized the importance of decentralized systems and cryptography in ensuring accountability and enabling machines to verify each other's actions in transparent environments. Products like MetaMask are evolving to reflect this shift, with Lubin describing the wallet as a new kind of neobank that users own and control, part of a transition toward a personal money operating system. AI-powered agents could manage assets, execute transactions, and navigate the growing decentralized economy on behalf of users. Lubin also pointed to structural changes in the Ethereum ecosystem, including the rise of corporate chains, which he expects to become more common as companies seek higher throughput and greater control over their infrastructure. While he believes assets are best issued on Ethereum's base layer for durability, he noted that stablecoins are a stepping stone toward more fully decentralized financial systems. Lubin views tokenization as a convergence of traditional finance and decentralized finance, leading to a more granular and programmable global economy. Despite these shifts, Lubin adopted a measured tone on technical risks like quantum computing, stating that Ethereum developers have been preparing for years and see it as part of the natural evolution of Ethereum.