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 Illinois Urbana-Champaign
Skills you'll gain: Biology, Taxonomy, Anthropology, World History, Environmental Science, Microbiology, Climate Change Adaptation, Scientific Methods, Chemistry
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: English Language, Marketing, Business, Vocabulary, Telecommuting, Human Resources, Office Management, Leadership and Management, Business Communication, Recruitment, Business Writing, Grammar, Communication
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), JavaScript Frameworks, Interaction Design, Web Development Tools, Event-Driven Programming, Web Frameworks, Cascading Style Sheets (CSS), Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Data Compilation, Correlation Analysis, Data Collection, Statistical Inference, Statistics, Statistical Methods, Statistical Modeling, Predictive Modeling, Data Analysis, Statistical Hypothesis Testing, Data-Driven Decision-Making, Regression Analysis, Statistical Analysis, Probability & Statistics, Descriptive Statistics, Data Visualization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Timelines, Project Schedules, Microsoft Excel, Data Visualization, Dashboard, Scheduling, Project Management Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Computer Security Incident Management, Command-Line Interface, Cryptography, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cybersecurity, Encryption, Information Systems Security, Vulnerability Assessments, Cyber Attacks, Security Engineering, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
Intermediate · Specialization · 3 - 6 Months

Alfaisal University | KLD
Skills you'll gain: Standard Accounting Practices, Accounting, Financial Statements, General Accounting, Financial Reporting, Bookkeeping, Generally Accepted Accounting Principles (GAAP), Financial Accounting, International Financial Reporting Standards, Income Statement, Balance Sheet
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Help Desk Support, System Configuration, Computer Hardware, Networking Hardware, Hardware Troubleshooting, Technical Support, Peripheral Devices, Desktop Support, Computer Networking, General Networking, Operating Systems, Wireless Networks
Beginner · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Nutrition Education, Health And Wellness Coaching, Sports Medicine, Health Promotion, Preventative Care
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Telehealth, Health Technology, Health Systems, Health Care, Medical Billing, Health Care Procedure and Regulation, Health Care Administration, Telecommunications, Value-Based Care, Regulatory Compliance, Patient Communication, Patient-centered Care
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Gemini, Generative AI, Google Cloud Platform, Cloud Applications, Software Development Tools, Application Development, Integrated Development Environments, Code Review
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Application Deployment, Application Development, Development Environment, Software Testing, Microsoft Development Tools, Cross Platform Development, Software Architecture, Network Routing, Open Source Technology, Command-Line Interface
Beginner · Course · 1 - 4 Weeks