Solidity Fundamentals

• Data Types and Variables
• Functions
• Storage and Memory
• Contract Structure
• Reading Smart Contracts
• Smart Contract ABI
• Events and Logs
• Factory Contracts

Resources

• Docs
• Cheatsheet
• Ethereum Wiki
• Ethereum Stackexchange
• Solidity By Examples

Tutorials

• CryptoZombies: Interactive code school that teaches you to write smart contracts through building your own crypto-collectibles game.