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.

Macquarie University
Skills you'll gain: Persuasive Communication, Storytelling, Influencing, Communication, Leadership, Verbal Communication Skills, Stakeholder Communications, Public Speaking, Communication Strategies, Interpersonal Communications, Meeting Facilitation, Strategic Communication, Discussion Facilitation, Team Leadership, Trustworthiness
★ 4.8 (2.5K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Prompt Patterns, LLM Application, Generative AI Agents, Large Language Modeling, Generative AI, Tool Calling, Hugging Face, Context Engineering, Embeddings
★ 4.6 (240) · Intermediate · Course · 1 - 4 Weeks

ISSA (International Sports Sciences Association)
Skills you'll gain: Nutrition Counseling, Nutrition and Diet, Nutritional Assessment, Dietetics, Nutrition Education, Exercise Science, Nutrition Care Plans, Clinical Nutrition, Culture, Biology, Critical Thinking, Health Assessment, Physiology, Biochemistry, Health And Wellness Coaching, Health Education, Health Care, Athletic Training, Coaching, Mental and Behavioral Health
Beginner · Course · 1 - 3 Months

Università Bocconi
Skills you'll gain: Annual Reports, Retail Store Operations, Brand Management, Marketing Communications, Digital Media Strategy, Communication Planning, Case Studies, Global Marketing, Strategic Communication, Brand Strategy, Branding, Market Opportunities, Customer experience improvement, Business Management, Business Modeling, Business Strategy, Marketing Channel, New Business Development, E-Commerce, Market Dynamics
★ 4.7 (6.3K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Management, Relational Databases, Stored Procedure, Databases, Query Languages, Database Theory, Data Access, Jupyter, Data Manipulation, Data Analysis, Transaction Processing, Python Programming
★ 4.7 (23K) · Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Human Musculoskeletal System, Anatomy, Endocrinology, Orthopedics, Kinesiology, Physiology, Neurology, Medical Terminology, Biochemistry, Cell Biology, Biology, Chemistry, Clinical Practices, Molecular, Cellular, and Microbiology, Lifelong Learning
★ 4.7 (177) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: MySQL, Database Management, Stored Procedure, Database Design, Database Management Systems, Relational Databases, SQL, Database Development, Database Administration, Query Languages, Data Management, Data Integrity, Data Maintenance, Data Entry
★ 4.8 (573) · Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Oil and Gas, Petroleum Industry, Hazard Analysis, Safety Standards, Environmental Resource Management, Safety Assurance, Safety Training, Environment and Resource Management, Environmental Regulations, Environment Health And Safety, Environmental Science, Environmental Engineering and Restoration, Big Data, Plant Operations and Management, Energy and Utilities, Process Engineering, Environmental Engineering, Data Management, Pump Stations, Environmental Issue
★ 4.6 (242) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Cold Calling, Selling Techniques, Closing (Sales), Overcoming Objections, General Sales Practices, Sales, Sales Process, Sales Presentations, Sales Strategy, Solution Selling, Lead Generation, Telephone Skills, Customer Relationship Building, Rapport Building, Active Listening, Communication Strategies, Customer Engagement
★ 4.7 (277) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Agentic systems, Generative AI Agents, Agentic Workflows, LLM Application, OpenAI API, AI Workflows, Tool Calling, Prompt Engineering, Prompt Patterns, Software Documentation
★ 4.6 (470) · Beginner · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Verbal Communication Skills, Oral Expression, Presentations, Public Speaking, Discussion Facilitation, Active Listening, Lecturing, Non-Verbal Communication, Oral Comprehension, English Language, Peer Review, Communication, Social Skills, Communication Strategies, Concision, Learning Strategies, Constructive Feedback, Critical Thinking, Language Competency, Interpersonal Communications
★ 4.5 (1.4K) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Systems Administration, IT Infrastructure, Lightweight Directory Access Protocols, Cloud Management, Operating System Administration, Active Directory, Server Administration, Disaster Recovery, Cloud Infrastructure, Technical Consulting, System Configuration, Cloud Computing, Cloud Services, Servers, Network Administration, Network Infrastructure, Data Storage
★ 4.8 (26K) · Beginner · Course · 1 - 3 Months