Main content
Unit 4: Blockchain technology
About this unit
What's blockchain technology, how does it work, and what are some ways that people are using it?
Learn about the basics of blockchain technology through this series of videos from Code.org.
If you're seeing this message, it means we're having trouble loading external resources on our website.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
What's blockchain technology, how does it work, and what are some ways that people are using it?