Decentralized finance (DeFi) can compete with traditional finance (TradFi) through architectural innovations rather than risky collateral ratios, according to Jean Rausis, co-founder of Everything. Rausis highlights the potential of multi-use liquidity pools to enhance capital efficiency, allowing a single capital deployment to earn yield while serving as collateral for margin trading. This approach aims to close the gap with TradFi without compromising safety. Rausis also addresses the challenges faced by decentralized exchanges (DEXs), such as liquidity fragmentation and slower execution speeds compared to centralized exchanges (CEXs). He suggests that innovations like Layer 2 scaling solutions and time-weighted average price (TWAP) mechanisms can mitigate these issues, offering users financial autonomy and self-custody. Rausis emphasizes that while CEXs may remain dominant for high-frequency trading, DeFi's architectural advancements are making it a viable alternative for those prioritizing control over their assets.