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.

Arizona State University
Skills you'll gain: Oral Expression, Design Elements And Principles, Design Strategies, English Language, Language Learning
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Jenkins, CI/CD, Continuous Integration, DevOps, Continuous Delivery, Build Tools, Software Development, Docker (Software), Application Deployment, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Cloud Applications, Event-Driven Programming, Front-End Web Development, Python Programming, Database Management, Restful API, SQL, API Design, Databases
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, OpenAI API, LangGraph, Model Deployment, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Generative Model Architectures, CI/CD, Embeddings, Text Mining, Containerization, Restful API, Open Source Technology, Data Preprocessing, Docker (Software)
Intermediate · Specialization · 1 - 3 Months

New York University
Skills you'll gain: Environmental Issue, Environmental Policy, Climate Change Adaptation, Social Justice, Climate Change Mitigation, Sustainable Development, Environmental Laws, Legal Strategy, International Relations, Human Development, Trend Analysis, Case Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Dashboard, Business Analytics, Business Intelligence, Extract, Transform, Load, Performance Analysis, Data Transformation, SQL, Automation, Data Management, Version Control
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Storytelling, Data Analysis Expressions (DAX), Excel Formulas, Data Transformation, Data Presentation, Microsoft Excel, Data Visualization, Sampling (Statistics), Dashboard, Data Visualization Software, Spreadsheet Software, Report Writing, Pivot Tables And Charts, Data Analysis, Statistical Analysis, Data Cleansing, Microsoft Office, Geospatial Mapping, Microsoft 365, Productivity Software
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Game Theory, Mathematical Modeling, Political Sciences, Combinatorics, Social Sciences, Probability, Applied Mathematics, Critical Thinking, General Mathematics, Statistical Analysis
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Positivity, Optimism, Empowerment, Growth Mindedness, Independent Thinking, Resilience, Self-Motivation, Personal Development, Self-Awareness, Professional Development, Mindfulness, Stress Management
Mixed · Course · 1 - 3 Months
Skills you'll gain: Incident Response, AI Security, Incident Management, Model Deployment, Site Reliability Engineering, Patch Management, MLOps (Machine Learning Operations), System Monitoring, Problem Management, Computer Security Incident Management, Responsible AI, Continuous Monitoring, Dependency Analysis, Disaster Recovery, Anomaly Detection, Application Deployment, Automation, Dashboard
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Law, Regulation, and Compliance, International Relations, Ethical Standards And Conduct, Legal Research, Investigation, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Design, Computational Logic
Beginner · Course · 1 - 4 Weeks