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.

ESSEC Business School
Skills you'll gain: Mediation, Conflict Management, Negotiation, Diplomacy, Labor Relations, Case Studies, Interactive Learning, Communication, Active Listening, International Relations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Payroll, Payroll Administration, Payroll Processing, Payroll Tax, Sales Tax, Balance Sheet, Accounting, Accounts Payable, Financial Accounting, General Accounting, Equities, Bookkeeping, General Ledger, Mortgage Loans, Loans, Tax Compliance
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Encryption, Information Systems Security, Cybersecurity, Theoretical Computer Science, Computational Logic
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Physiology, Pulmonology, Respiration, Anatomy, Endocrinology, Cardiology, Human Musculoskeletal System, Kinesiology, Nephrology, Biology, Vital Signs, Blood Pressure, Neurology, Urinalysis
Beginner · Course · 1 - 3 Months
University of Manchester
Skills you'll gain: Physical Science, Environment, Hydrology, Water Resources, Mathematical Modeling, Climate Change Adaptation, Environmental Science, Biology, Simulations, Scientific Methods, Chemistry
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Network Security, Network Protocols, Network Architecture, TCP/IP, Web Applications, Computer Networking, Encryption, Network Infrastructure, Innovation, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 3 Months

University of Manchester
Skills you'll gain: Health Equity, Health Disparities, Public Health, Healthcare Ethics, Emergency Response, Emergency Services, Safety and Security, International Relations, Infectious Diseases, Policy Analysis, Chronic Diseases, Advocacy, Law, Regulation, and Compliance, Vulnerability, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Unit Testing, Programming Principles, Javascript, React Native, JSON, Computer Programming, Node.JS, Object Oriented Programming (OOP), Software Testing, Functional Design
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Psychiatry, Clinical Psychology, Mental Health, Cognitive Behavioral Therapy, Mental and Behavioral Health, Psychotherapy, Psychiatric Assessments, Cultural Diversity, Psychology, Pharmacotherapy, Pharmacology, Demography
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Chemistry, Electrical Systems, Chemical Engineering, Energy and Utilities, Electronics, Materials science, Market Trend, Manufacturing Processes
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Mathematical Modeling, Epidemiology, Infectious Diseases, Model Evaluation, Simulations, Statistical Modeling, Predictive Modeling, Data Modeling, R Programming, Statistical Methods, Public Health, Probability Distribution
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Data Structures, Algorithms, Java, Performance Testing, Computer Programming, Java Programming, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 3 - 6 Months