Ethereum Co-Founder Joseph Lubin Highlights the Risks of AI Control by Major Tech Firms

The next significant milestone for the crypto industry is expected to be driven by artificial intelligence, according to Joseph Lubin, CEO of Consensys and co-founder of Ethereum. He noted that autonomous agents can interact, coordinate, and verify each other on decentralized networks, utilizing crypto infrastructure as a foundation for machine-driven activities. Lubin, who is set to speak at Consensus Miami 2026, expressed sympathy for the idea that blockchain technology is suited for machine intelligences but does not envision humans being replaced. Instead, he believes that increasingly intelligent interfaces will simplify complexity, allowing users to interact with crypto systems through intent rather than manual inputs, with AI serving as an intermediary layer between people and protocols. However, Lubin warned that if AI infrastructure remains concentrated among a few large tech firms, it could pose significant risks. He emphasized the importance of decentralized systems and cryptography in 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 'personal money operating system' that users own and control. AI-powered agents could manage assets, execute transactions, and navigate the growing decentralized economy on behalf of users. Lubin also discussed the rise of corporate chains on Ethereum, expecting companies to seek higher throughput and greater control over their infrastructure. He believes that assets are best issued on Ethereum's base layer to ensure durability. Stablecoins are seen as a stepping stone toward more decentralized financial systems, and Lubin expects growth in decentralized collateral to enable more robust, crypto-native forms of money. The convergence of traditional finance and decentralized finance is anticipated to result in a more granular and programmable global economy. While Lubin acknowledged the potential risks of quantum computing, he struck a measured tone, noting that Ethereum developers have been preparing for this eventuality for years.