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

According to Joseph Lubin, CEO of Consensys and co-founder of Ethereum, the next significant development in the crypto space will be driven by artificial intelligence. Autonomous agents will be able to transact, coordinate, and verify each other on decentralized networks, utilizing cryptocurrency infrastructure as the foundation for machine-driven activities. Lubin, who is set to speak at Consensus Miami 2026, expressed his support 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, enabling users to interact with crypto systems through intent rather than manual inputs, with AI serving as an intermediary layer between people and protocols. However, if AI infrastructure remains concentrated among a few large tech firms, it could pose significant risks. Lubin 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, a Consensys product, reflects this shift. Lubin described MetaMask as a 'new kind of neobank that you own and control,' part of a transition toward a 'personal money operating system.' AI-powered agents could act on behalf of users, managing assets and executing transactions within a growing decentralized economy. Lubin also discussed the rise of corporate chains on Ethereum, expecting companies to seek higher throughput and greater control over their infrastructure. He argued that assets are best issued on Ethereum's base layer to ensure durability. Stablecoins, a rapidly growing sector in crypto, are seen as a stepping stone toward more fully decentralized financial systems. Lubin noted that current models are still heavily reliant on centralized issuers, but expects growth in decentralized collateral to enable more robust, crypto-native forms of money. Regarding tokenization, Lubin suggested that traditional finance and decentralized finance are converging, combining centuries of financial innovation with newer blockchain-based systems. This convergence is expected to result in a more granular and programmable global economy. When addressing the topic of quantum computing, Lubin adopted a measured tone, stating that Ethereum developers have been preparing for the potential risks associated with it for years.