DeFi Glossary 2026: 100 Essential Terms Every Crypto User Needs to Know

DeFi has its own vocabulary — TVL, MEV, AMM, LP, IL, and dozens more. This comprehensive glossary defines the 100 most important DeFi terms with clear, practical explanations.

DeFi is full of jargon that creates an unnecessary barrier for newcomers. This glossary defines the most important terms in plain language, with context on why each concept matters for your DeFi activity.

Protocol and Architecture Terms

Trading and Yield Terms

Token and Economics Terms

Security Terms