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: Malware Protection, Endpoint Security, Mobile Security, Cloud Security, Application Security, Cloud Computing, Threat Detection, Cybersecurity, Information Systems Security, Virtualization, Virtual Machines, Intrusion Detection and Prevention, Encryption
Beginner · Course · 1 - 4 Weeks

École Nationale des Ponts et Chaussées
Skills you'll gain: Petroleum Industry, Sustainable Engineering, Environmental Engineering, Oil and Gas, Environment Health And Safety, Construction Engineering, Civil Engineering, Occupational Safety and Health Administration (OSHA), Safety Assurance, Transportation Operations, Sustainable Design, Energy and Utilities, Materials science, Construction, Chemical Engineering, Technical Standard, Chemistry, Production Process, Performance Testing, Manufacturing Processes
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Earned Value Management, Project Schedules, Procurement, Cost Management, Return On Investment, Spreadsheet Software, Microsoft Excel, Financial Analysis, Project Performance, Project Estimation, Microsoft 365, Project Finance, Investment Management, Variance Analysis, Forecasting, Problem Solving
Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Climate Change Adaptation, Sustainable Development, Sustainable Design, Governance, Water Sustainability, Systems Thinking, Environmental Resource Management, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Business Modeling, Stakeholder Engagement, Project Finance
Beginner · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Ancient History, 3D Modeling, Public History, Scientific Methods, Data Sharing, Anthropology, Investigation, Cultural Diversity, Case Studies, Art History, Research, Data Management, Data Collection
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cybersecurity, Information Systems Security, Local Area Networks, Firewall, Windows PowerShell, Hardening, Threat Detection, Linux, Penetration Testing, Network Architecture, Wireless Networks, Vulnerability Assessments, System Configuration, IT Automation, Encryption, Network Analysis, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Prompt Engineering, Large Language Modeling, Application Programming Interface (API), Application Deployment, LangGraph, Cloud-Based Integration, OpenAI, Containerization, CI/CD, Cloud API, Data Integration, Continuous Deployment, Postman API Platform, Artificial Intelligence, Continuous Integration, Amazon Web Services, Authentications, Performance Analysis
Advanced · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Storytelling, Writing, Writing and Editing, Content Creation, Creativity
Mixed · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Goal Setting, Emotional Intelligence, Smart Goals, Personal Development, Positivity, Overcoming Obstacles, Empathy, Productivity, Positive Behavior Support, Optimism, Self-Awareness, Self-Motivation, Growth Mindedness, Cognitive flexibility, Psychology, Creativity, Curiosity
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Growth Mindedness, Resilience, Goal Setting, Overcoming Obstacles, Personal Development, Persistence, Courage, Adaptability, Self-Awareness, Mindfulness, Optimism, Professional Development
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Object Oriented Programming (OOP), Java, Object Oriented Design, Java Programming
Intermediate · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Django (Web Framework), HTML and CSS, Model View Controller, Application Deployment, Application Frameworks, Web Applications, Cascading Style Sheets (CSS), Web Servers, SQL, Databases, Network Protocols, Python Programming
Intermediate · Course · 1 - 3 Months