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, Davis
Skills you'll gain: ArcGIS, Geographic Information Systems, Public Health and Disease Prevention, Public Health, Land Management, Geospatial Information and Technology, Geospatial Mapping, Spatial Analysis, Epidemiology, Community Health, Spatial Data Analysis, Social Determinants Of Health, Emergency Response, Environmental Science, Natural Resource Management, Emergency Services, Business Development, Environment and Resource Management, Hazard Analysis, 3D Modeling
Intermediate · Course · 1 - 4 Weeks

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

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Object-Relational Mapping, Web Development, Context Management, Application Frameworks, Scripting, Middleware, Server Side, Data Storage, Session Initiation Protocols, Data Sharing, Data Persistence, Event-Driven Programming, Hypertext Markup Language (HTML)
Intermediate · Specialization · 1 - 3 Months

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 Illinois Urbana-Champaign
Skills you'll gain: Environmental Issue, Solution Design, Sustainable Development, Design Thinking, Business Planning, Sustainable Business, Innovation, Product Development, Entrepreneurship, Economic Development, Needs Assessment, Business Development, Consumer Behaviour, Market Analysis, Market Research, Cultural Sensitivity
Build toward a degree
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

University of Colorado Boulder
Skills you'll gain: Mathematical Modeling, Control Systems, Network Model, Mechanical Engineering, Systems Analysis, Automation, Real-Time Operating Systems, Differential Equations, Safety Assurance, Verification And Validation
Build toward a degree
Intermediate · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Prompt Engineering, Grant Writing, ChatGPT, Proposal Writing, Generative AI, AI Enablement, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Open Web Application Security Project (OWASP), Encryption, Application Security, Vulnerability Assessments, Data Security, Exploitation techniques, Security Controls, Authentications, Vulnerability Management, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Software Design, Software Development Life Cycle, Application Security, Technical Design, Software Architecture, Software Development Methodologies, Conceptual Design, Requirements Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Data Ethics, Data Integrity, Data Literacy, Data Analysis, Tableau Software, Stakeholder Communications, Responsible AI, Small Data, Decision Making, Stakeholder Analysis, Sampling (Statistics), Key Performance Indicators (KPIs), Probability & Statistics, Big Data, Data Sharing, Spreadsheet Software, Verbal Communication Skills, Solution Design, Root Cause Analysis
Beginner · Specialization · 3 - 6 Months