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Ethereum and smart contracts

1 of 10 topics

Low-poly Ethereum crystal with smart-contract documents and “No intermediaries”, representing blockchain transactions and DeFi automation.

Ethereum is the operating system of the blockchain world

Smart contracts run code on the blockchain without middlemen, downtime or gatekeepers.


This skill shows what Ethereum really enables, how dApps work together and why gas fees, upgrades and networks like Ethereum shape the future of decentralized tech.


You’ll learn:


  1. What Ethereum enables through smart contracts and why it changed the blockchain game
  2. How decentralized apps (dApps) work, interact and create entire ecosystems on chain
  3. Why gas fees, scalability and upgrades matter for making Ethereum fast, usable and affordable