Blockchain
How blockchains, cryptocurrencies and smart contracts work, and where they are useful.
Advanced
Once the basics are comfortable.
Document
Advanced
↗ External site
Ethereum Developer Documentation
The official guide to building on Ethereum: accounts, transactions, smart contracts, development tools and security.
Ethereum Foundation
Video
Advanced
▶ Video series
MIT MAS.S62 Cryptocurrency Engineering and Design: Lecture Videos
How cryptocurrencies are built: signatures, hashing, proof of work, transactions and smart contracts, from the MIT Media Lab.
MIT OpenCourseWare