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.

Kennesaw State University
Skills you'll gain: Cyber Security Strategy, Cybersecurity, Mobile Security, Cyber Attacks, Cyber Threat Intelligence, Security Management, Network Security, Cyber Security Policies, Internet Of Things, Cyber Governance, Digital Transformation, Emerging Technologies
★ 4.5 (640) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Wrangling, Data Processing, Data Integration, Data Preprocessing, Data Transformation, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, R (Software), MySQL, File Management, SQL, Application Programming Interface (API)
★ 4.5 (8.1K) · Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Bash (Scripting Language), Operating Systems, File Systems, Linux Commands, Linux, SQL, Linux Administration, File Management, Unix Shell, Database Application, Unix, Query Languages, Command-Line Interface, Databases, Relational Databases, Authorization (Computing), Authentications, User Accounts, User Interface (UI)
★ 4.8 (6.3K) · Beginner · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Court Systems, Civil Law, Legal Proceedings, Intellectual Property, Adjudication, Litigation and Civil Justice, Property and Real Estate, Personal Injury Law, Economics, Resource Allocation, Compensation Management
★ 4.6 (595) · Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Text Mining, Data Mining, Unstructured Data, Statistical Analysis, Natural Language Processing, Data-Driven Decision-Making, Analytics, Data Analysis, Statistical Machine Learning, Statistical Methods, Unsupervised Learning, Probability & Statistics, Correlation Analysis, Applied Machine Learning, Probability Distribution, Classification Algorithms, Model Optimization, Generative Model Architectures
★ 4.5 (741) · Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Web Design, Application Deployment, Web Design and Development, Computer Programming Tools, Development Environment, Software Development Tools, UI Components, Web Development, Front-End Web Development, User Interface (UI), Interactive Design, Collaborative Software, Design Elements And Principles
★ 4.7 (143) · Beginner · Course · 3 - 6 Months

Skills you'll gain: React Native, iOS Development, Apple iOS, Software Development Life Cycle, Flutter (Software), Mobile Development, Software Architecture, Android Studio, User Centered Design, Android Development, Swift Programming, Git (Version Control System), GitHub, User Interface (UI) Design, Javascript, Android (Operating System), Front-End Web Development, React Redux, Data Ethics, AI Personalization
★ 4.6 (8.6K) · Beginner · Professional Certificate · 3 - 6 Months
University of California, Davis
Skills you'll gain: Aesthetics, Analytical Skills, Writing, Oral Expression, Verbal Communication Skills
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Electrical Systems, Electric Power Systems, Electrical Power, Energy and Utilities, Control Systems, Electrical Equipment, Three-Phase, High Voltage, Wiring Diagram, Network Model, Electrical Engineering, Engineering Analysis, Systems Analysis, Failure Analysis, Simulation and Simulation Software, Network Analysis, Numerical Analysis, Engineering Calculations, Mathematical Modeling, Simulations
★ 4.5 (50) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Research, Research Reports, Writing, Learning Strategies, Intellectual Property, Style Guides, Persuasive Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Management, Sales Prospecting, Stakeholder Engagement, Prospecting and Qualification, Cold Calling, Sales Development, Stakeholder Analysis, Account Management, Sales Pipelines, Sales, Sales Process, Consultative Selling, Account Strategy, Outbound Calls, Customer Relationship Management (CRM) Software, Customer Relationship Management, Active Listening, Customer Engagement, Professional Networking, Client Support
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: UI/UX Research, Surveys, Qualitative Research, User Experience Design, User Experience, Usability Testing, User Research, Design Research, User Story, Prototyping, Wireframing, User Centered Design, Survey Creation, User Interface and User Experience (UI/UX) Design, Interaction Design, Interactive Design, Ideation, A/B Testing, Conceptual Design, Persona (User Experience)
★ 4.7 (2.3K) · Beginner · Specialization · 3 - 6 Months