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 London
Skills you'll gain: Public History, World History, European History, Policy Analysis, Social Studies, Political Sciences, International Relations, Social Justice, Law, Regulation, and Compliance, Governance
★ 4.6 (63) · Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Electrical Systems, Electric Power Systems, Simulation and Simulation Software, Simulations, Mathematical Modeling, Control Systems, Electronic Systems, Electrical Safety, Energy and Utilities, Performance Testing, Estimation, Algorithms
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Machine Controls, Engineering, Scientific, and Technical Instruments, Process Control, Embedded Systems, Embedded Software, Electrical and Computer Engineering, Real Time Data, Laboratory Equipment, Laboratory Experience, Electronic Systems, Electronics, Electronics Engineering, Power Electronics, Electronic Hardware, Manufacturing Processes, Electrical Equipment, Thermal Management, Hardware Design, Electrical Engineering
★ 4.6 (2.9K) · Intermediate · Specialization · 3 - 6 Months

Universiteit Leiden
Skills you'll gain: Public Safety and National Security, Research, Mitigation, Research Methodologies, Policy Analysis, Media and Communications, World History, International Relations, Security Strategy, Political Sciences, Public Policies, Trend Analysis, Social Impact, Psychology
★ 4.8 (3.3K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Statements, Financial Statement Analysis, Variance Analysis, Dashboard Creation, Resource Utilization, Financial Analysis, Project Finance, Dashboard, Financial Data, Resource Planning, Financial Forecasting, Cash Flow Forecasting, Financial Modeling, Capital Budgeting, Microsoft Excel, Budgeting, Competitive Analysis, Business Valuation, Data-Driven Decision-Making, Risk Analysis
Intermediate · Specialization · 3 - 6 Months

Saïd Business School, University of Oxford
Skills you'll gain: AI powered creativity, Generative AI, Generative Model Architectures, AI Product Strategy, Media Production, Content Creation, AI literacy, Creativity, Responsible AI, AI Integrations, Media Strategy, AI Workflows, Media and Communications, Content Strategy, Content Optimization, Content Management, Compliance Management, Marketing Communications, Digital Transformation, Marketing
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Mechanics, Torque (Physics), Simulation and Simulation Software, Linear Algebra, Numerical Analysis, Simulations, Engineering Analysis, Engineering Calculations, Differential Equations, Trigonometry, Mathematical Modeling, Systems Analysis, Applied Mathematics, Engineering, Advanced Mathematics, Algorithms, Physics, Calculus
★ 4.8 (440) · Advanced · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Radiation Protection, Medical Imaging, Radiology, Diagnostic Radiology, Radiography, X-Ray Computed Tomography, Magnetic Resonance Imaging, Patient Communication, Patient Education And Counseling, Radiation Therapy, Safety Standards, Dental Radiography, Diagnostic Medical Sonography, electromagnetics, Physics, Biology, Chemistry
★ 4.9 (366) · Mixed · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Liberal Arts, Social Studies, Culture, World History, Cultural Diversity, Intercultural Competence, Diversity Awareness, Social Justice, European History, Social Impact, Political Sciences, Ethical Standards And Conduct
★ 4.6 (105) · Mixed · Course · 1 - 3 Months

École Nationale des Ponts et Chaussées
Skills you'll gain: Socioeconomics, Social Impact, Sustainable Development, Economics, Policy, and Social Studies, Market Dynamics, Energy and Utilities, Social Studies, Environmental Issue, Market Analysis, Sustainable Technologies, Public Policies, Electrical Systems, Sustainable Engineering, Environmental Science, Economics, Market Opportunities, Financial Inclusion, Cost Benefit Analysis, Climate Change Mitigation, Innovation
★ 4.5 (1.3K) · Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Color Theory, Graphic Design, Color Matching, Typography, Graphic and Visual Design, User Experience Design, Graphic and Visual Design Software, Design, Digital Design, Creative Design, Design Elements And Principles, Visual Design, Design Software, Web Design and Development, Image Quality
★ 4.7 (271) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), AI Orchestration, LLM Application, Generative AI Agents, Agentic Workflows, Artificial Intelligence, Agentic systems, Large Language Modeling, Machine Learning Methods, Cloud Services, Responsible AI, Cloud Deployment, Machine Learning Algorithms, Front-End Web Development, Python Programming, Scalability, Data Science, Data Management
Intermediate · Course · 1 - 4 Weeks