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.

University of Geneva
Skills you'll gain: Water Resources, Diplomacy, Water Sustainability, Water Resource Management, Hydrology, International Relations, Mediation, Arbitration, Conflict Management, Sustainable Development, Discussion Facilitation, Negotiation, Adjudication, Political Sciences, Governance, Environmental Laws, Data Collection
★ 4.9 (48) · Intermediate · Course · 1 - 3 Months
Nanjing University
Skills you'll gain: Music, Music History, World Music, Social Studies, Cultural Sensitivity, Cultural Responsiveness, Ancient History, Media and Communications, Art History, Language Learning, Cultural Diversity, Liberal Arts, Aesthetics, Social Sciences, Electronic Media, Intercultural Competence, Performing Arts, Anthropology, Sociology, Nutrition and Diet
★ 4.6 (530) · Beginner · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Email Security, Digital Forensics, Network Security, Cloud Computing Architecture, Incident Response, Incident Management, Business Continuity Planning, Penetration Testing, Computer Security Incident Management, Cloud Services, Business Continuity, Security Controls, System Configuration, Generative AI, Data Storage, Peripheral Devices, Cybersecurity, Application Security, Information Technology, Cryptography
★ 4.7 (15K) · Beginner · Professional Certificate · 3 - 6 Months

Arizona State University
Skills you'll gain: Electrical Safety, Safety Standards, Environmental Regulations, Electrical Power, Electrical Systems, Sustainable Technologies, Energy and Utilities, Sustainable Design, Reliability, Climate Change Mitigation, Materials science, Chemistry, Emerging Technologies
★ 4.7 (120) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, LLM Application, Application Deployment, Model Training, Cloud Deployment, Continuous Deployment, AI Workflows, AI Security, Data Ethics, Responsible AI, Prompt Engineering, Retrieval-Augmented Generation, Scalability, CI/CD, Site Reliability Engineering, Model Evaluation, Release Management, System Monitoring, Containerization
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: FinTech, Financial Regulation, Financial Services, Payment Systems, Financial Regulations, Commercial Lending, Financial Industry Regulatory Authorities, Bank Regulations, Lending and Underwriting, Banking, Banking Services, Consumer Lending, Regulatory Compliance, Blockchain, Law, Regulation, and Compliance, Legal Risk, Payment Processing, Financial Data, Digital Assets, Regulatory Requirements
★ 4.8 (907) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Systems, Business Software, Operating Systems, Generative AI, Business Systems, Cybersecurity, Enterprise Security, System Software, Cyber Attacks, Servers, Security Awareness, Computer Hardware, Data Storage, Patch Management, File Management, digital literacy
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, Semiconductors, Engineering, Scientific, and Technical Instruments, Electrical and Computer Engineering, Electronics, Electronic Components, Materials science, Engineering Calculations, Physics, Mathematical Modeling
★ 3.9 (26) · Advanced · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Portfolio Management, Risk Management, Portfolio Risk, Investment Management, Risk Analysis, Investments, Risk Modeling, Asset Management, Wealth Management, Risk Appetite, Financial Market, Correlation Analysis, Variance Analysis
★ 4.7 (2.5K) · Mixed · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Stakeholder Engagement, Environmental Monitoring, Hydrology, Cultural Responsiveness, Community Outreach, Water Resource Management, Environmental Engineering and Restoration, Water Resources, Cultural Diversity, Diversity Awareness, Policty Analysis, Research, and Development, Land Management, Policy Analysis, Social Sciences, Cultural Sensitivity, Environment and Resource Management, Environmental Laws, Natural Resource Management, Water Quality, Climate Change Adaptation
★ 4.9 (19) · Intermediate · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Cyber Attacks, Infrastructure Security, Mobile Security, Enterprise Security, Cyber Risk, Cyber Governance, Cyber Security Policies, Cybersecurity, IT Security Architecture, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Security Controls, Risk Management Framework, Blockchain, Internet Of Things, Cryptography, Data Integrity
★ 4.7 (683) · Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Storytelling, Oral Expression, Persuasive Communication, Public Speaking, Non-Verbal Communication, Verbal Communication Skills, Ingenuity, Creative Thinking, Communication, Creativity, Optimism, Problem Solving, Communication Strategies, Resilience
★ 4.6 (96) · Beginner · Course · 1 - 4 Weeks