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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Digital Communications, Communication Systems, Electrical and Computer Engineering, Telecommunications, Electronics, Engineering Analysis, Numerical Analysis, Data Mapping, Real Time Data, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Materials science, Failure Analysis, Semiconductors, Manufacturing Processes, Structural Analysis, Mechanical Engineering, Chemical Engineering, Chemistry, Thermal Management, Engineering, Laboratory Testing, Physical Science, Physics, Engineering Analysis, Reliability, Engineering Calculations
Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Database Design, Relational Databases, SQL, Databases, Data Visualization Software, Web Scraping, Data Modeling, Object Oriented Programming (OOP), Data Processing, Geographic Information Systems, Python Programming, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Hebrew University of Jerusalem
Skills you'll gain: World History, Language Interpretation, Translation, and Studies, Literacy, Liberal Arts, Writing, Creativity
Mixed · Course · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: HVAC, Cleanliness, Pollution Prevention, Environmental Monitoring, Laboratory Testing, Occupational Health, Safety Standards, Environmental Engineering, Thermal Management, Respiratory Care, Mechanical Ventilation, Infectious Diseases, Public Health and Disease Prevention
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Marketing, Target Audience, Social Media Strategy, Social Media, Persona Development, Smart Goals, Key Performance Indicators (KPIs), Social Media Management, Digital Media Strategy, Marketing, Marketing Strategies, Facebook, Marketing Channel, Instagram, Digital Marketing
Beginner · Course · 1 - 3 Months

American Museum of Natural History
Skills you'll gain: Climate Change Programs, Climate Change Mitigation, Social Sciences, Environmental Issue, Climate Change Adaptation, Socioeconomics, Economics, Policy, and Social Studies, Environment, Scientific Methods, Environmental Science, Physical Science, General Science and Research, Media and Communications, Hydrology, Mathematical Modeling, Model Evaluation
Mixed · Course · 1 - 3 Months

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music, Peer Review, Instrumental Music, World Music, Music Performance, Music History
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Story, Stakeholder Engagement, Project Management Life Cycle, Resource Management, Risk Management, Peer Review, Agile Software Development, Scrum (Software Development), Earned Value Management, Stakeholder Management, Agile Methodology, Project Risk Management, Team Motivation, Project Management, IT Management, Interviewing Skills, Professional Networking, Leadership, Agile Project Management, Communication
Beginner · Professional Certificate · 3 - 6 Months

University at Buffalo
Skills you'll gain: Programmable Logic Controllers, Control Systems, Machine Controls, Manufacturing Processes, Process Control, Manufacturing Operations, Manufacturing and Production, Automation, Industrial Engineering, Digital Transformation, Systems Architecture, Digital Signal Processing, Software Systems, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music Performance, Music, Instrumental Music, Media Production, Writing, Creativity
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Student Support and Services, Personal Development, Stress Management, Classroom Management, Cultural Responsiveness, Empathy, Self-Awareness, Relationship Building
Beginner · Course · 1 - 3 Months