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.

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Liberal Arts, Aesthetics, European History, Research, Writing
★ 4.8 (725) · Mixed · Course · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Climate Change Mitigation, Portfolio Risk, Portfolio Management, Investment Management, Project Finance, Financial Systems, Environmental Policy, Finance, Financial Market, Securities (Finance), Economics, Climate Change Programs, General Finance, Environmental Issue, Economics, Policy, and Social Studies, Energy and Utilities, Sustainable Development, Engineering, Systems Of Measurement
★ 4.7 (424) · Beginner · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Economics, Policy, and Social Studies, Social Sciences, Complex Problem Solving, Political Sciences, Systems Analysis, Persuasive Communication, Personal Development, Critical Thinking, Education and Training, Scientific Methods
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Vision, Image Analysis, Model Evaluation, Model Training, Deep Learning, Matlab, Machine Learning Methods, Data Preprocessing, Model Optimization, Machine Learning, Classification Algorithms, Machine Learning Algorithms, Transfer Learning, Anomaly Detection, Geospatial Information and Technology, Traffic Flow Optimization, Artificial Intelligence and Machine Learning (AI/ML), Algorithms
★ 4.6 (99) · Intermediate · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Digital Communications, Communication Systems, Telecommunications, Algorithms, Linear Algebra
★ 4.5 (649) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Hazard Analysis, Chemical Engineering, Process Engineering, Safety Assurance, Risk Analysis, Risk Modeling, Risk Management, Engineering Practices, Accident Prevention, Failure Analysis, Risk Control, Process Analysis, Environment Health And Safety, Probability, Reliability
★ 4.8 (239) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Musical Composition, Music Theory, Music, Music Performance, Peer Review
★ 4.9 (555) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Stress Management, Time Management, Personal Development, Emotional Intelligence, Self-Awareness, Stress First Aid
★ 4.6 (160) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Business Continuity Planning, Continuous Monitoring, Business Continuity, Security Management, ISO/IEC 27001, Security Controls, Threat Management, Risk Management, Law, Regulation, and Compliance, Risk Analysis, Risk Management Framework, Security Strategy, Cyber Risk, Regulation and Legal Compliance, Cyber Governance, Threat Modeling, Governance Risk Management and Compliance, NIST 800-53, Cybersecurity, Compliance Management
★ 4.8 (83) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Requirements Elicitation, Requirements Management, Business Requirements, User Requirements Documents, Requirements Analysis, Verification And Validation, Business Analysis Tools, Acceptance Testing, Project Documentation, User Acceptance Testing (UAT), Stakeholder Communications, Interviewing Skills
★ 4.6 (31) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Multi-Factor Authentication, Authentications, Microsoft Azure, Active Directory, Identity and Access Management, User Provisioning, Security Controls, Hybrid Cloud Computing, Single Sign-On (SSO), Cloud-Based Integration, User Accounts, System Monitoring
Intermediate · Course · 1 - 4 Weeks