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.

Coursera
Skills you'll gain: Surveys, Survey Creation, Customer Insights, Data Import/Export, Data Presentation, Market Research, Marketing Analytics, Customer Analysis, Marketing Strategies, Target Audience, Presentations, Data Analysis, Microsoft Excel, Pivot Tables And Charts, Data-Driven Decision-Making, Data Storytelling, Strategic Marketing, Data Capture, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Cloud Computing, Virtualization, Network Infrastructure, Microsoft Azure, Firewall, Computer Networking, Digital Transformation, Cybersecurity, Virtual Machines, Network Monitoring, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Text Mining, Natural Language Processing, Data Mining, Unstructured Data, Big Data, Web Scraping, Model Evaluation, Web Analytics and SEO, Machine Learning, Information Architecture, Probability & Statistics
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), SQL, PostgreSQL
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Performance Management, Mentorship, Budget Management, Team Management, Project Accounting, People Management, Leadership and Management, Recruitment, Leadership, Professional Development, Resource Management, Coaching, Compliance Management, Goal Setting, Clinical Research
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Medical Privacy, Medical Records, Medical Office Procedures, Medical Assistance, Conflict Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management and Medical Records, Health Information Management, Electronic Medical Record, Patient Registration, Patient Coordination, Cultural Responsiveness, Electronic Medical Record System, Medical History Documentation, Patient Education And Counseling, Care Coordination, Patient-centered Care, Professionalism, Professional Development, Time Management
Beginner · Specialization · 1 - 3 Months

Measure What Matters
Skills you'll gain: Goal Setting, Key Performance Indicators (KPIs), Organizational Effectiveness, Organizational Leadership, Business Priorities, Organizational Strategy, Personal Development, Leadership and Management, Performance Management, Employee Performance Management, Prioritization, Recognizing Others, Performance Measurement, Planning, Collaboration, Business Strategy, Constructive Feedback, Communication
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Electrical Systems, Electric Power Systems, Electrical Power, Control Systems, Electrical Equipment, Three-Phase, High Voltage, Wiring Diagram, Systems Analysis, Simulation and Simulation Software, Electrical Engineering, Network Analysis, Engineering Analysis, Numerical Analysis, Low Voltage, Mathematical Modeling, Simulations, Power Electronics, Graph Theory, Differential Equations
Intermediate · Specialization · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Thermal Management, Energy and Utilities, Mechanics, Control Systems, Engineering Analysis, Engineering Calculations, Engineering, Mathematical Modeling, Physics
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unity Engine, Debugging, Object Oriented Programming (OOP), Video Game Development, C# (Programming Language), Game Design, Computer Programming, Data Storage, Development Environment, User Interface (UI), Scripting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hugging Face, LLM Application, LangChain, Large Language Modeling, OpenAI, Natural Language Processing, Generative AI Agents, ChatGPT, Responsible AI, Embeddings, Application Programming Interface (API), Text Mining, Restful API, Agentic systems, Open Source Technology, Data Preprocessing, MLOps (Machine Learning Operations), Python Programming, Model Evaluation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Routing Protocols
Beginner · Course · 1 - 3 Months