Ethereum Co-Founder Joseph Lubin Highlights the Risks of AI Dominance by Big Tech

According to Joseph Lubin, CEO of Consensys and co-founder of Ethereum, the next significant milestone in the crypto space will be driven by artificial intelligence. In a recent interview, Lubin emphasized that autonomous agents can interact, coordinate, and verify each other on decentralized networks, leveraging crypto infrastructure for machine-driven activities. Lubin will be speaking at Consensus Miami 2026 and expressed his support for the idea that blockchain technology is suited for machine intelligence, but does not envision humans being replaced. Instead, he foresees increasingly intelligent interfaces simplifying complexity, enabling users to interact with crypto systems through intent rather than manual inputs, with AI serving as an intermediary between people and protocols. However, this vision also carries risks, as the concentration of AI infrastructure among large tech firms could lead to trouble. Lubin stressed that decentralized systems and cryptography are crucial for ensuring accountability and enabling machines to verify each other in transparent environments. The evolution of products like MetaMask reflects this shift, with the wallet being rebuilt as a user-controlled neobank, part of a transition toward a personal financial operating system. AI-powered agents could manage assets, execute transactions, and navigate the growing decentralized economy, allowing users to carry their personal financial system with them. Lubin also pointed to structural changes in the Ethereum ecosystem, including the rise of corporate chains, which are expected to become more common as institutions seek higher throughput and greater control. While stablecoins are part of this transition, they are not the endpoint, but rather a stepping stone toward more decentralized financial systems. Lubin expects growth in decentralized collateral to enable more robust, crypto-native forms of money. The convergence of traditional finance and decentralized finance is also underway, combining centuries of financial innovation with newer blockchain-based systems, resulting in a more granular and programmable global economy. Regarding longer-term technical risks like quantum computing, Lubin adopted a measured tone, stating that Ethereum developers have been preparing for years and see it as part of the natural evolution of Ethereum.