I just realized that DeFi is not a passing trend but a real revolution in finance. Instead of going through banks or intermediary organizations, now everyone can lend, borrow, trade, or stake directly on the blockchain. And the best part is that the DeFi ecosystem is continuously developing with new solutions.

How exactly does DeFi operate? It relies on smart contracts—automated code that executes transactions without anyone overseeing. This creates three main features: decentralization (no third-party intervention), transparency (all transactions are public on the blockchain), and self-custody (users have full control of their assets via private keys). You only need internet access to participate, no KYC or complicated procedures required.

The current DeFi ecosystem includes key components: DEX (decentralized exchanges like Uniswap), lending protocols (lending/borrowing), stablecoins (stable currencies), wallets (storage solutions), and derivatives. Each serves different user needs.

But not everything is perfect. DeFi still faces issues like network congestion, high fees, and liquidity that’s not yet on par with CeFi. Plus, there are security risks from smart contract bugs or rug pulls. Many projects survive mainly on incentive rewards rather than real revenue.

Has anyone said DeFi will replace banks? I don’t think so. CeFi remains necessary because it offers safety, stability, and insurance. DeFi is better suited for those who want freedom and control over their assets. Both will coexist and complement each other.

But there’s an interesting development—DeFi 2.0 is emerging to address these issues. Instead of assets “standing still,” DeFi 2.0 optimizes capital utilization, improves liquidity, and expands the ecosystem into new areas like LSTFi and NFTFi. For example, Olympus DAO demonstrated this at the end of 2021.

More importantly, the concept of Real Yield—actual profits from sustainable economic activities, not just token rewards—is gaining traction. AMM DEX earns from trading fees, lending protocols profit from interest rate spreads, blockchains earn from gas fees. This is the way for the DeFi ecosystem to grow sustainably.

Overall, DeFi is entering a mature phase. Current limitations will gradually be addressed, and the combination of technology and sustainable economic models will shape DeFi into an indispensable part of global finance. That’s why I continue to closely follow the development of this DeFi ecosystem.