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.

Skills you'll gain: Economics, International Finance, Market Dynamics, Supply And Demand, Business Economics, Economics, Policy, and Social Studies, Financial Policy, Consumer Behaviour, General Finance, International Relations, Financial Trading, Game Theory, Financial Systems, Tax, Market Analysis, Economic Development, Competitive Analysis, Bidding, Finance, Fiscal Management
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Stakeholder Engagement, Environmental Monitoring, Hydrology, Cultural Responsiveness, Community Outreach, Water Resource Management, Environmental Engineering and Restoration, Water Resources, Cultural Diversity, Diversity Awareness, Policty Analysis, Research, and Development, Land Management, Policy Analysis, Social Sciences, Cultural Sensitivity, Environment and Resource Management, Environmental Laws, Natural Resource Management, Water Quality, Climate Change Adaptation
★ 4.9 (19) · Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language, Language Learning, Language Competency
★ 4.8 (2K) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Spatial Analysis, ArcGIS, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, GIS Software, Data Quality, Data Mapping, Data Modeling, Database Design, Data Storage Technologies, Data Management, Data Storage, Data Sharing, Data Manipulation, Data Capture, Relational Databases, Query Languages, Analytics
★ 4.8 (2.1K) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Regression Analysis, R (Software), Statistical Programming, Statistical Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Data Analysis, Statistical Methods, Model Evaluation, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics, Statistical Hypothesis Testing
★ 4.8 (1.8K) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Machine Controls, Engineering, Scientific, and Technical Instruments, Process Control, Laboratory Equipment, Manufacturing Processes, Embedded Software, Electronic Systems, Electronics, Semiconductors, Laboratory Testing, Health Technology, Medical Devices, Electronic Components, Performance Tuning, Network Protocols
★ 4.6 (322) · Intermediate · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Sustainable Design, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainability Reporting, Sustainable Technologies, Sustainable Development, Supply Management, Sustainability Standards, Business Ethics, Sustainable Systems, Operations Management, Supply Chain Management, Supply Chain Planning, Supply Chain, Manufacturing Operations, Strategic Sourcing, Supply Chain Systems, Procurement, Product Design
★ 4.6 (40) · Beginner · Specialization · 1 - 3 Months

University of Geneva
Skills you'll gain: Water Resources, Diplomacy, Water Sustainability, Water Resource Management, Hydrology, International Relations, Mediation, Arbitration, Conflict Management, Sustainable Development, Discussion Facilitation, Negotiation, Adjudication, Political Sciences, Governance, Environmental Laws, Data Collection
★ 4.9 (48) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Mathematics Education, Education Software and Technology, Research, Qualitative Research, Physical Science
★ 4.7 (47) · Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Financial Modeling, Blockchain, FinTech, Risk Modeling, Portfolio Risk, Entrepreneurial Finance, Financial Market, Business Valuation, Risk Management, Excel Formulas, Market Data, Emerging Technologies, Cryptography, Risk Analysis, Fundraising and Crowdsourcing, Law, Regulation, and Compliance, Financial Analysis, Entrepreneurship, Finance, Microsoft Excel
★ 4.5 (1.4K) · Intermediate · Specialization · 3 - 6 Months

IESE Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Development, Corporate Strategy, Business Strategy, Organizational Strategy, Environmental Issue, Strategic Thinking, Environmental Regulations, Compliance Management, Stakeholder Engagement, Consumer Behaviour, Advocacy
★ 4.7 (581) · Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Engineering Design Process, Engineering Drawings, Basic Electrical Systems, Prototyping, Drafting and Engineering Design, Mechanical Drawings, Computer-Aided Design, Electronics, Technical Drawing, Electronic Components, Electronic Systems, Robotics, Manufacturing Processes, Electrical Systems, Electronics Engineering, Electrical Wiring, Materials science, Manufacturing and Production, Mechanical Engineering, Production Process
★ 4.9 (55) · Beginner · Specialization · 3 - 6 Months