Cryptocurrency and blockchain courses can help you learn how distributed ledgers work, how transactions are verified, and how major blockchain networks are structured. You can build skills in wallet management, smart contract basics, and evaluating blockchain use cases. Many courses introduce tools such as crypto exchanges, block explorers, and frameworks used to experiment with decentralized applications.

University at Buffalo
Skills you'll gain: Peer Review, Governance, Leadership and Management, Discussion Facilitation, Philanthropy, Public Administration, Organizational Effectiveness, Performance Review, Organizational Leadership, Community Development, Organizational Structure, Leadership, Case Studies, Analysis, Decision Making
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Music, World Music, Case Studies, Culture, Sociology, Cultural Diversity, Research, Analysis, Performing Arts, Critical Thinking, Creativity, Media and Communications, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Bootstrap (Front-End Framework), Web Design, Cascading Style Sheets (CSS), Web Design and Development, Front-End Web Development, Mobile Development, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Monitoring, Threat Modeling, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Local Area Networks, Network Analysis, OSI Models, Network Switches
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ruby (Programming Language), Debugging, Scripting Languages, Data Structures, Scripting, Program Development, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Seaborn, Plotly, Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Analysis, Python Programming, Predictive Modeling, Data Science, Jupyter, Cloud Applications
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apple iOS, Swift Programming, Mobile Development, UI Components, Animations, Apple Xcode, Data Storage, Cloud Storage, Responsive Web Design, User Interface (UI), Human Computer Interaction, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Software Documentation, Java Programming, Java, Computer Programming, Programming Principles, Computational Thinking, Computer Science
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Performance Tuning, Query Languages, Data Management, Data Warehousing, Data Visualization Software, Data Analysis
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Disaster Recovery, Business Continuity Planning, Database Management, Database Administration, Problem Management, Relational Databases, Incident Management, Service Management, Information Systems, Software Development Methodologies, IT Management, Asset Management, Project Design, Object Oriented Design, Agile Methodology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Virtual Environment, 3D Assets, Computer Graphics, Game Design, Video Game Development, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Sheets, Spreadsheet Software, Data Import/Export, Data Analysis Software, Data Presentation, Data Analysis, Business Analysis
Beginner · Guided Project · Less Than 2 Hours