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, Building Codes, Electrical Wiring, Construction Inspection, HVAC, Building Design, Basic Electrical Systems, Electrical Power, Engineering Calculations, Architectural Design, System Requirements, Electrical Safety, Mechanical Design, Energy and Utilities, Architectural Engineering, Land Development, Semiconductors, Cost Benefit Analysis, Design Reviews, Submittals (Construction)
Beginner · Specialization · 3 - 6 Months

University of Western Australia
Skills you'll gain: Diversity Awareness, Diversity and Inclusion, Diversity Equity and Inclusion Initiatives, Cultural Diversity, Workforce Planning, Workplace inclusivity, Employee Engagement, Recruitment, Recruitment Strategies, Talent Sourcing, Human Resource Strategy, Talent Acquisition, Interviewing Skills, Data Collection, Diversity Programs, Employee Onboarding, Organizational Effectiveness, Professional Networking, Job Analysis, Business Metrics
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Distributed Computing, Scalability, Software Architecture, Big Data, Operating Systems, Performance Tuning, File Systems, Cloud Development, Scripting, Command-Line Interface, C and C++, Linux, Data Sharing, OS Process Management, Communication Systems, Artificial Intelligence
Advanced · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Interviewing Skills, Leadership, Business Leadership, Leadership Development, Leadership and Management, Professional Development, Team Building, Recruitment, Team Management, Talent Management, Self-Awareness, Coaching, Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches
Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Writing, Writing and Editing, Literacy, Storytelling, Language Competency, Creativity, Persuasive Communication
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cybersecurity, Threat Management, Cyber Attacks, Threat Detection, Cloud Security, Disaster Recovery, Network Security, Malware Protection, Data Security, Intrusion Detection and Prevention, Hardening, Systems Architecture, Encryption
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Psychology, Neurology, Color Theory, Visual Impairment Education, Motion Arguments, Biology, Physiology, Anatomy
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

Yunus Social Business Fund Bengaluru
Skills you'll gain: Business Valuation, Return On Investment, Finance, Financial Analysis, Business Risk Management, Capital Budgeting, Risk Analysis, Environmental Social And Corporate Governance (ESG), Financial Modeling, Portfolio Management, Corporate Finance, Cash Flows, Decision Making, Probability & Statistics
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, System Testing, Threat Detection, Firewall, Cybersecurity, Cloud Security, Microsoft Azure, Virtual Private Networks (VPN), Windows PowerShell, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Web Scraping, Data Integration, Data Cleansing, Data Import/Export, Data Quality, Data Processing, Data Collection, Data Manipulation, SQL, Databases, Query Languages, Extensible Markup Language (XML), Pandas (Python Package), Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months