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.

Skills you'll gain: Vulnerability Management, Security Information and Event Management (SIEM), Penetration Testing, Vulnerability Assessments, Cybersecurity, Intelligence Collection and Analysis, Vulnerability Scanning, Cyber Attacks, Network Security, Information Systems Security, Computer Security, Analysis, Network Analysis, Auditing, Data Analysis, Linux Commands, Data Collection, Correlation Analysis, Bash (Scripting Language), Windows PowerShell
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Project, Project Schedules, Resource Allocation, Resource Management, Project Management Software, Scheduling, Project Performance, Project Coordination, Project Management, Microsoft 365, Timelines, Milestones (Project Management), Project Planning, Work Breakdown Structure, Project Documentation
Intermediate · Course · 3 - 6 Months
University of Pennsylvania
Skills you'll gain: Research Methodologies, Research Design, Qualitative Research, Critical Thinking, Persistence, Program Evaluation, Case Studies, Tenacity, Psychological Evaluations, Surveys, Data Collection, Reliability, Descriptive Statistics, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Google Analytics, Marketing Analytics, Web Analytics, Marketing Effectiveness, Campaign Management, Digital Marketing, Target Audience, Customer Insights, Analytics, Performance Analysis, A/B Testing, Dashboard, Performance Metric, Content Strategy
Beginner · Course · 1 - 4 Weeks

Royal Holloway, University of London
Skills you'll gain: Computer Security Incident Management, Linux, Network Security, Cyber Governance, IT Security Architecture, OSI Models, Incident Management, Incident Response, Security Management, Linux Commands, TCP/IP, Computer Systems, Threat Modeling, Command-Line Interface, Network Protocols, Computer Networking, Cybersecurity, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, OSI Models, Network Model, TCP/IP, Networking Hardware, Local Area Networks, Network Protocols, General Networking, Network Architecture, Network Infrastructure, Network Switches, Test Equipment, Test Tools
Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Marketing Effectiveness, Online Advertising, Marketing Analytics, Advertising Campaigns, Digital Advertising, Performance marketing, Campaign Management, Marketing Budgets, Data Analysis, Digital Marketing, Data Presentation, A/B Testing, Key Performance Indicators (KPIs), Return On Investment, Performance Reporting, Business Metrics, Presentations, Communication
Beginner · Course · 1 - 4 Weeks

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, Intercultural Competence, Talent Acquisition, Interviewing Skills, Data Collection, Employee Onboarding, Organizational Effectiveness, Professional Networking, Job Analysis, Surveys
Beginner · Specialization · 1 - 3 Months

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, File I/O, Programming Principles, Data Structures
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Structural Engineering, Structural Analysis, Building Design, Architectural Engineering, Computer-Aided Design, Failure Analysis, Engineering Analysis, Construction, Engineering Calculations, Engineering Design Process, Engineering Software
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Information Assurance, Data Security, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 4 Weeks