Ethereum co-founder Vitalik Buterin is urging the Ethereum ecosystem to treat oracle design and decentralization as a priority security problem, warning that key parts of DeFi’s stack still hide uncomfortable fragilities behind the industry’s recent growth. In a post outlining how the Ethereum Foundation is thinking about DeFi, Buterin framed decentralized finance as “a central part of the value that Ethereum provides” and argued that its next phase must pair renewed innovation with a harder line on security and centralization risks. “Defi is a central part of the value that Ethereum provides. Financial empowerment is a central part of what it means to have agency and freedom in our current world