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.

Rice University
Skills you'll gain: electromagnetics, Electrical Engineering, Physics, Mechanics, Electrical Systems, Calculus, Integral Calculus, Engineering Calculations, Scientific Visualization, Mathematical Modeling, Problem Solving, Applied Mathematics
★ 4.6 (207) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electronic Medical Record System, Medical Records, Electronic Medical Record, Health Information Management and Medical Records, Data Entry, Health Information Management, Electronic Data Capture (EDC), Health Informatics, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Technology, Computerized Physician Order Entry, Patient Registration, Practice Management Software, Data Validation, Medical Privacy, Record Keeping, Healthcare Industry Knowledge, Clinical Documentation, Patient Flow, Health Administration
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Cybersecurity, Security Awareness, Computer Security Awareness Training, Cyber Attacks, Cyber Risk, Cyber Security Strategy, Cyber Threat Intelligence, Information Systems Security, Security Management, Security Controls, Data Security, Computer Security, Risk Mitigation, Incident Response, Risk Management, Vulnerability Management, Malware Protection, Encryption, Authorization (Computing), Authentications
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Spreadsheet Software, Financial Modeling, Predictive Modeling, Regression Analysis, Statistical Modeling, Data Modeling, Financial Forecasting, Excel Formulas, Risk Modeling, Business Modeling, Simulation and Simulation Software, Microsoft Excel, Google Sheets, Probability Distribution, Analysis, Forecasting, Predictive Analytics, Risk Analysis, Statistical Methods, Data Analysis Software
★ 4.2 (3.9K) · Mixed · Course · 1 - 4 Weeks

STARWEAVER
Skills you'll gain: High Voltage, Power Electronics, Electronic Systems, Electrical Systems, Energy and Utilities, Control Systems, Test Equipment, Electric Power Systems, Hardware Troubleshooting, Sustainable Technologies, Failure Analysis, Test Tools
★ 4.7 (23) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Power, Electrical Systems, Electrical Engineering, Simulation and Simulation Software, Estimation, Simulations, Matlab, Engineering Calculations, Mathematical Software, Numerical Analysis, Mathematical Modeling, Electronic Components, Scenario Testing, Algorithms
★ 4.9 (105) · Intermediate · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Retail Sales, Conflict Management, Retail Store Operations, Cross-Channel Marketing, Market Dynamics, Sales Strategy, E-Commerce, Coordinating, Market Analysis, Business-To-Consumer, Supplier Performance Management, Customer Analysis, Vendor Management, Performance Measurement, Strategic Partnership, Performance Management, Systems Analysis, Performance Analysis, Performance Improvement, Model Evaluation
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Storyboarding, Wireframing, Information Architecture, Figma (Design Software), User Story, User Experience Design, User Experience, Prototyping, User Interface and User Experience (UI/UX) Design, User Interface (UI), Interaction Design, Persona (User Experience), User Research, Design Elements And Principles
★ 4.9 (9.7K) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Responsible AI, Microsoft Excel, Prompt Engineering, Analytics, Data Analysis, Presentations, Analytical Skills, Management Reporting, Spreadsheet Software, Business Analytics, Prompt Patterns, Excel Formulas, Proposal Development, Data Ethics, Business Reporting, Microsoft Copilot, Data Science, Decision Support Systems, Business Operations, Strategic Decision-Making
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Art History, Ancient History, Case Studies, Public History, Anthropology, Community Development, Sustainable Development, Surveys, Research, Research Methodologies, Social Sciences, Culture, Economic Development, Cultural Diversity
★ 4.7 (47) · 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, Basic Electrical Systems, Design Specifications, Performance Testing, Matlab, Estimation, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, Malware Protection, Linux Commands, Operating System Administration, Endpoint Security, Security Awareness, Hardening, Active Directory, Security Controls, Computer Security Awareness Training, Network Administration, System Configuration, Systems Administration, Enterprise Application Management, Cloud Deployment, Multi-Factor Authentication, Windows Servers, Cloud Services, Encryption
Intermediate · Course · 1 - 3 Months