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.

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Economics, Policy, and Social Studies, Social Sciences, Complex Problem Solving, Problem Solving, Research, Political Sciences, Policy Analysis, Systems Analysis, Case Studies, Persuasive Communication, Critical Thinking, Simulations, Scientific Methods, Mathematical Modeling, Applied Mathematics, Human Learning
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Advertising, Media and Communications, Advertising Campaigns, Digital Advertising, Culture, Marketing Psychology, Branding, Consumer Behaviour, Business Ethics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Music Theory, Musical Composition, Music, Instrumental Music, Music Performance, Creativity
Intermediate · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Sustainable Design, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainability Reporting, Sustainable Engineering, Sustainable Development, Business Ethics, Sustainability Standards, Sustainable Systems, Operations Management, Supply Chain Management, Supply Chain Planning, Supply Chain, Manufacturing Operations, Strategic Sourcing, Supply Chain Systems, Procurement, Supplier Relationship Management, Product Design
Build toward a degree
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Fundraising, Grant Writing, Proposal Writing, Prospecting and Qualification, Philanthropy, Campaign Management, Tax Planning, Direct Marketing, Business Writing, Customer Relationship Building, Marketing Strategies, Relationship Building, Estate Planning, Benefits Administration, Administration, Target Audience, Email Marketing, Telemarketing, Stakeholder Management, Negotiation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Operations, Cybersecurity, Authentications, Python Programming, Data Access, System Monitoring, Systems Analysis
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Aesthetics, Art History, Liberal Arts, Performing Arts, Creativity, Storytelling, Music
Beginner · Course · 1 - 3 Months

Skills you'll gain: Excel Formulas, Spreadsheet Software, Microsoft Excel, Microsoft Office, Microsoft 365, Data Analysis, Business Mathematics
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, OpenAI API, Generative AI Agents, Agentic systems, AI Workflows, Large Language Modeling, Hugging Face, OpenAI, ChatGPT, Embeddings, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Application Development, Program Development, Retrieval-Augmented Generation, Artificial Intelligence, Data Processing
Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Probability & Statistics, Analytical Skills, Exploratory Data Analysis, Estimation, Logistic Regression
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Application Security, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks
University of California San Diego
Skills you'll gain: Human Computer Interaction, Human Factors, User Interface (UI), Usability, Interaction Design, Information Architecture, User Interface and User Experience (UI/UX) Design, Prototyping
Mixed · Course · 1 - 4 Weeks