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.

Imperial College London
Skills you'll gain: Public Health, Public Health and Disease Prevention, Health Equity, Health Disparities, Healthcare Ethics, Preventative Care, Social Determinants Of Health, Health Policy, Political Sciences, Socioeconomics, Ethical Standards And Conduct, Diagnostic Tests
★ 4.8 (538) · Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Engineering Design Process, Engineering Drawings, Prototyping, Drafting and Engineering Design, Mechanical Drawings, Computer-Aided Design, Technical Drawing, Robotics
★ 4.8 (29) · Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Business Modeling, Digital Transformation, Digital Analysis, Innovation, Software As A Service, Software Development, Network Analysis, Business Strategy, Business Strategies, E-Commerce, Value Propositions, Decision Making, Case Studies
★ 4.6 (572) · Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Nutrition and Diet, Food Quality Assurance And Control, Food Safety and Sanitation, Pharmacology, Laboratory Testing, Environmental Science, Safety Standards, Biochemistry, Hazard Analysis, Microbiology, Pollution Prevention, Radiation Protection, Risk Analysis
★ 4.9 (335) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Environment, Pharmacology, Chemistry, Environmental Science, Plant Operations and Management, Biochemistry
★ 4.2 (13) · Beginner · Course · 1 - 3 Months

HubSpot Academy
Skills you'll gain: Closing (Sales), Booking (Sales), Overcoming Objections, Sales Process, Selling Techniques, Sales Prospecting, HubSpot CRM, Sales, Prospecting and Qualification, General Sales Practices, Sales Strategy, Customer Relationship Management (CRM) Software, Customer Relationship Management, Lead Generation, Negotiation, Business Writing, LinkedIn, Value Propositions, Planning
★ 4.7 (538) · Beginner · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Economic Development, Community Development, Entrepreneurship, Economics, Project Design, Sustainable Development, Socioeconomics, International Relations, Competitive Analysis, New Business Development, Case Studies, Social Studies, Innovation, Policy Development, Governance, Natural Resource Management
★ 4.8 (407) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Color Theory, Color Matching, Developing Training Materials, Course Development, Design, Digital Design, Design Elements And Principles, Graphic Design, Creative Design, Graphic and Visual Design Software, Marketing, Social Media
★ 4.6 (1.7K) · Advanced · Guided Project · Less Than 2 Hours

Amazon
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Object Oriented Design, Code Reusability, Java Programming, Java, Software Design, File Management, Data Persistence
★ 4.2 (91) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Optimization, Convolutional Neural Networks, Tensorflow, Model Training, Computer Vision, Image Analysis, Transfer Learning, Applied Machine Learning, Model Evaluation, Artificial Neural Networks, Fine-tuning, Deep Learning, Google Cloud Platform, Data Preprocessing, Classification Algorithms, Small Data, Cloud API
★ 4.6 (549) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), NumPy, Data Analysis, Data Science, Python Programming, Data Structures, Data Manipulation, Analysis
★ 4.5 (388) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Positivity, Resilience, Organizational Change, Change Management, Open Mindset, Growth Mindedness, Business Transformation, Optimism, Overcoming Obstacles, Cognitive flexibility, Continuous Improvement Process, Persistence, Personal Development, Leadership Development, Self-Awareness, Action Oriented, Emotional Intelligence, Goal Setting, Habit Formation
★ 4.8 (614) · Beginner · Course · 1 - 3 Months