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 Colorado Boulder
Skills you'll gain: Embedded Systems, Embedded Software, Electronic Systems, Engineering, Scientific, and Technical Instruments, Electronic Hardware, Thermal Management, Electrical and Computer Engineering, Electronics Engineering, Hardware Design, Electronics, Laboratory Experience, Electronic Components, Design Specifications, Schematic Diagrams, Development Environment, Debugging
★ 4.6 (1.2K) · Advanced · Course · 1 - 3 Months

Skills you'll gain: PySpark, Data Lakes, Databricks, Data Pipelines, Apache Spark, Data Architecture, Data Transformation, Data Infrastructure, MLOps (Machine Learning Operations), Extract, Transform, Load, Data Processing, Data Manipulation, Data Cleansing, Data Validation, Data Maintenance, Data Management, Python Programming, Data Entry, SQL, Data Collection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Apache Kafka, Apache Airflow, Data Transformation, Extract, Transform, Load, Data Processing, Data Integration, Data Warehousing, Data Cleansing, Data Lakes, Data Mart, Performance Tuning, Shell Script, Bash (Scripting Language), Command-Line Interface
★ 4.5 (464) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Teaching, Social Justice, Emotional Intelligence, Social Skills, Empathy, Self-Awareness, Higher Education, Behavior Management, Classroom Management, Cultural Responsiveness, Curriculum Planning, School Psychology, Empowerment, Personal Development, Childhood Education and Development, Program Evaluation, Advocacy, Professional Development, Growth Mindedness, Mindfulness
★ 4.7 (983) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: People Analytics, Dashboard, Culture Transformation, Data Literacy, Experimentation, Dashboard Creation, Power BI, Analytics, Microsoft Copilot, Heat Maps, Employee Engagement, Employee Surveys, Culture, Performance Metric, Workplace inclusivity, Microsoft Power Platform, Business, Leadership and Management, Business Strategy, Leadership
Advanced · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Climate Change Adaptation, Research Methodologies, Research, Surveys, Qualitative Research, Social Impact, Environmental Policy, Social Justice, Data Collection, Environmental Monitoring, Vulnerability, Environmental Science, Natural Resource Management, Policy Analysis, Governance, Fundraising
★ 4.5 (56) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Fundraising, Fundraising and Crowdsourcing, Proposal Writing, Grant Writing, Philanthropy, Proposal Development, Gift Accounting, Prospecting and Qualification, Campaign Management, Grant Applications, Tax Planning, Ethical Standards And Conduct, Business Ethics, Marketing Planning, Customer Relationship Building, Direct Marketing, Advertising Mail, Business Writing, Developing Training Materials, Campaign Planning
★ 4.6 (403) · Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Ancient History, Liberal Arts
★ 4.8 (795) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Debugging, Data Structures, System Programming, Microarchitecture, C (Programming Language), Memory Management, Hardware Architecture, Computer Architecture, Software Design, Maintainability, Computer Programming Tools, System Configuration, Code Reusability, Peripheral Devices
★ 4.5 (532) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Psychology, Learning Theory, Training Programs, Social Sciences, Experimentation, Research, Science and Research, Empathy & Emotional Intelligence, Scientific Methods, Non-Verbal Communication, Biology
★ 4.7 (4.7K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Databricks, PySpark, Apache Spark, Data Lakes, Data Pipelines, Data Processing, Data Warehousing, Distributed Computing, Data Architecture, JSON, Data Import/Export, Applied Machine Learning, Data Management, Data Entry, Database Architecture and Administration, Data Collection, SQL, Python Programming, Machine Learning, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Sciences Po
Skills you'll gain: Oil and Gas, Petroleum Industry, Energy and Utilities, Climate Change Mitigation, International Relations, Environmental Issue, Electric Power Systems, Environment and Resource Management, Economic Development, Natural Resource Management, Environmental Policy, Economics, Political Sciences, Economics, Policy, and Social Studies, Social Studies, Sustainable Technologies, Market Dynamics, Sustainable Development
★ 4.7 (1.9K) · Beginner · Course · 1 - 3 Months