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 of California, Irvine
Skills you'll gain: Project Performance, Communication Planning, Project Risk Management, Change Control, Project Management, Risk Analysis, Risk Management, Scope Management, Change Management, Risk Mitigation, Stakeholder Management, Project Closure, Stakeholder Communications, Communication
★ 4.7 (9.3K) · Mixed · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Mechanics, General Science and Research, Physical Science, Systems Of Measurement, Mathematical Modeling, Applied Mathematics, Scientific Visualization
★ 4.6 (174) · Beginner · Course · 1 - 3 Months

University of Cambridge
Skills you'll gain: Childhood Education and Development, Human Learning, Child Development, Psychology, Empathy & Emotional Intelligence, Sensory Systems Analysis, Teaching, Decision Making, Learning Theory, Instructional Strategies, K-12 pedagogy, Pedagogy, Learning Strategies, Developmental Disabilities, Empathy, Neurology, Magnetic Resonance Imaging, Electrophysiology, Human Development, Decision Intelligence
★ 4.6 (193) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Performance Tuning, Memory Management, Web Servers, Web Applications, Server Side, Computer Networking, TCP/IP, OS Process Management, Context Management, Software Development, Encryption, Network Protocols, Scalability, Maintainability
Intermediate · Course · 1 - 4 Weeks
University of California, Davis
Skills you'll gain: Aesthetics, Analytical Skills, Writing, Oral Expression, Verbal Communication Skills
Beginner · Course · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Sustainable Development, Engineering, Systems Of Measurement, Environment, Mathematical Modeling, Environmental Monitoring, Sustainable Technologies, Environmental Science, Physics, Economics
★ 4.8 (243) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Docker (Software), Microservices, CI/CD, DevOps, Containerization, Devops Tools, Application Deployment, Continuous Deployment, Release Management, Continuous Delivery, Continuous Integration, Private Cloud, DevSecOps, Package and Software Management, Metadata Management, Software Versioning, Linux, Application Lifecycle Management, Automation, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, English Language, Language Learning, Language Competency
★ 4.8 (476) · Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Remote Access Systems, Linux Commands, Cryptographic Protocols, Web Servers, Scalability
Beginner · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Financial Market, Investments, Securities (Finance), Financial Systems, Investment Management, Securities Trading, General Finance, Capital Markets, Equities, Financial Trading, Finance, Portfolio Management, Derivatives, Corporate Finance, Business Mathematics, Cash Flows
★ 4.5 (2.2K) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Anthropology, Healthcare Ethics, Social Sciences, Culture, Environment, Laboratory Research, General Science and Research, Sociology, Social Justice, Ethical Standards And Conduct, Health Care, Food and Beverage, Social Impact, Nutrition and Diet, Advocacy
★ 4.7 (71) · Beginner · Course · 1 - 4 Weeks

Chegg Skills
Skills you'll gain: A/B Testing, Digital Advertising, Content Performance Analysis, Advertising Campaigns, Online Advertising, Advertising, Content Optimization, Performance marketing, Marketing Design, Campaign Management, Content Creation, Digital Marketing, Marketing Materials, Performance Analysis, Data-Driven Marketing, Marketing Communications, Driving engagement, Content Strategy, Strategic Planning, Marketing Strategy and Techniques
Beginner · Course · 1 - 4 Weeks