Early Decentralized Finance

Architecture

Early Decentralized Finance (DeFi) initially leveraged existing blockchain infrastructure, primarily Ethereum, to construct novel financial instruments. Smart contracts formed the foundational layer, automating processes like collateral management and price oracles. This early architecture prioritized composability, enabling seamless integration of different DeFi protocols and fostering rapid innovation in areas like lending, borrowing, and automated market making. However, initial designs often faced scalability limitations and security vulnerabilities, prompting ongoing research into layer-2 solutions and more robust consensus mechanisms.