Ethereum co-founder Vitalik Buterin has highlighted the potential of "low-risk DeFi" to become a central application for Ethereum, akin to how search functions for Google. In his recent article, Buterin noted that while DeFi has historically relied on speculation and subsidies, leading to high risks, the landscape is shifting. He emphasized that protocols are now more secure, paving the way for a stable core within the DeFi ecosystem.