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.

The University of Edinburgh
Skills you'll gain: Research, Science and Research, General Science and Research, Scientific Methods, Physical Science, Physics, Research Methodologies
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Contract Negotiation, Media and Communications, Contract Management, Live Streaming, Content Creation, Social Media, Team Management, Marketing, Compensation Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Design, Web Content, Web Design and Development, Web Development, Information Architecture
Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Brand Strategy, Branding, Brand Awareness, Brand Management, Instagram, Social Media Content, Personal Attributes, Self-Awareness, Storytelling, Value Propositions, Cognitive flexibility, Concision, Creativity, Case Studies, Analysis
Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Emergency Response, Crisis Intervention, Safety and Security, Hazard Communication (HazCom), Risk Management, Social Determinants Of Health, Media and Communications, Public Health, Vulnerability, Community Development, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Self-Awareness, Teaching, Empathy & Emotional Intelligence, Growth Mindedness, Persistence, Relationship Building
Advanced · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Scalability
Beginner · Course · 3 - 6 Months

University of Leeds
Skills you'll gain: Infectious Diseases, Microbiology, Immunology, Pathology, Infection Control, Pharmacology, Epidemiology, Public Health and Disease Prevention, Molecular, Cellular, and Microbiology, Cell Biology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Algorithms, Video Game Development, Programming Principles, Virtual Environment, C# (Programming Language), Debugging, Data Structures
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Environmental Issue, Laboratory Testing, Environmental Monitoring, Public Health, Environmental Engineering, Microbiology, Analytical Chemistry, Environmental Science, Biochemistry, Biology
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Hugging Face, Containerization, CI/CD, DevOps, Docker (Software), Microsoft Azure, Cloud Computing, Machine Learning Software, Transfer Learning, Model Evaluation, GitHub
Advanced · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks