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EXPLAINER / 2026-09-29

DeFi

Financial operations assembled from shared software.

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Decentralised finance uses blockchain applications for activities such as exchanging tokens and providing liquidity. Smart contracts coordinate parts of those processes.

An interface may look simple while the system underneath depends on several protocols, collateral rules, governance decisions and external price inputs. Decentralisation is a question to examine across those layers, not a guarantee attached to the name.

THE QUESTION TO CARRY FORWARD

Which actors and dependencies can change the outcome for a participant?

Go to the source

Ethereum.org · Decentralised finance ↗

Teaching materials

Teaching notes and guided exercises will appear here as they are ready.