these sandboxes will give you a space to experiment with writing smart contracts and understanding ethereum.
Ethereum StudioA web-based IDE where you can follow tutorials to create and test smart contracts, and build a frontend for them.
RemixDevelop, deploy and administer smart contracts for Ethereum. Follow tutorials with the Learneth plugin.
Interactive game tutorials
learn while you play. these tutorials get you through the basics using gameplay.
hg0088线上paid online courses to get you up to speed, fast.