**Cryptocurrency News**
**Ethereum and DeFi: Milestones and Challenges**
- Launched in 2015, Ethereum has become the foundation for decentralized applications, introducing smart contracts and DeFi.
- Uniswap, the largest decentralized exchange, launched in 2018, but its AMM model raises questions about profitability.
- Research shows that more than half of Uniswap liquidity providers lose money due to impermanent losses.
- Decentralized exchanges must improve incentives and transparency mechanisms for sustainable development.