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 at Buffalo
Skills you'll gain: Electrical Systems, Electrical Wiring, Electrical Power, Electric Power Systems, HVAC, Construction Inspection, Electrical Equipment, Engineering Calculations, Architectural Design, Mechanical Design, Systems Analysis, Energy and Utilities, Building Codes, Structural Analysis, Cost Estimation
★ 4.7 (732) · Intermediate · Course · 1 - 3 Months

Minnesota State University, Mankato
Skills you'll gain: Competitive Analysis, Brand Strategy, Brand Marketing, Target Audience, Branding, Brand Awareness, Brand Management, Target Market, Brand Loyalty, Strategic Marketing, Market Analysis, Marketing Strategies, Value Propositions, Strategic Communication, Marketing, Marketing Strategy and Techniques, Marketing Planning, Gap Analysis, Strategic Decision-Making, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Grafana, System Monitoring, Prometheus (Software), Application Performance Management, Devops Tools, DevOps, Continuous Monitoring, Docker (Software), Cloud-Native Computing, Containerization, Interactive Data Visualization, Kubernetes, Dashboard Creation, Distributed Computing
★ 4.6 (104) · Intermediate · Course · 1 - 3 Months

Google AR & VR
Skills you'll gain: Virtual Reality, Post-Production, Photo/Video Production and Technology, Video Production, Video Editing, Augmented and Virtual Reality (AR/VR), Videography, Media Production, Content Creation, Editing, Cinematography
★ 4.7 (897) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Capital Budgeting, International Finance, Corporate Finance, Cost Management, Cost Accounting, Cost Control, Equities, Financial Management, Operating Cost, Financial Analysis, Finance, Operational Analysis, Operating Expense, Expense Management, Business Risk Management, Return On Investment, Business Valuation, Financial Market, Financial Trading, Securities (Finance)
Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Ancient History, Liberal Arts
★ 4.8 (777) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electronic Systems, Electrical Engineering, electromagnetics, Electrical Power, Electronics Engineering, Electric Power Systems, Simulation and Simulation Software, Electronics, Engineering Analysis, Simulations, Electrical Systems, Mathematical Modeling, Computer-Aided Design, Matlab, Technical Design, Energy and Utilities, Verification And Validation, Network Analysis
★ 4.7 (162) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Electric Power Systems, Electrical Systems, Electrical Power, Energy and Utilities, Basic Electrical Systems, Systems Of Measurement, Sustainable Technologies, Case Studies, Environmental Issue, Reliability, Market Dynamics, Emerging Technologies, Systems Integration
★ 4.7 (303) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language, Language Learning, Writing
★ 4.8 (4K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Recruitment, Talent Recruitment, Recruitment Strategies, Full Cycle Recruitment, Human Resources Management and Planning, Human Resource Management, Talent Acquisition, Human Resources, Talent Pipelining, Interviewing Skills, Talent Sourcing, Human Resources Information System (HRIS), Ethical Standards And Conduct, Business Requirements, Supply And Demand
Mixed · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Image Quality, Image Analysis, Computer Vision, Photography, Color Theory, Digital Signal Processing, Semiconductors, Algorithms
★ 4.7 (161) · Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: LLM Application, Large Language Modeling, Open Web Application Security Project (OWASP), AI Security, Cyber Security Assessment, Application Security, Security Architecture Review, Tool Calling, Threat Modeling, Security Testing, Secure Coding, Vulnerability Assessments, Vulnerability Management, Software Architecture, Prompt Patterns, Prompt Engineering, IT Security Architecture, Security Controls, Application Programming Interface (API), Data Validation
Beginner · Course · 1 - 4 Weeks