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.

Duke University
Skills you'll gain: Psychology, Human Learning, Learning Theory, Education and Training, Training Programs, Anthropology, Experimentation, Research, Science and Research, Scientific Methods, Non-Verbal Communication, Biology
Mixed · Course · 1 - 3 Months

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

Johns Hopkins University
Skills you'll gain: Graphing, Data Analysis, R (Software), R Programming, General Mathematics, Mathematical Modeling, Algebra, Mathematical Software, Applied Mathematics, Calculus, Business Mathematics
Beginner · 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
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Demography, Environment, Environment and Resource Management, Environmental Science, Land Management, Nutrition and Diet, Sustainable Systems, Nutrition Education, Sustainable Development, Natural Resource Management, Social Studies, Human Development, Trend Analysis, Economic Development
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Chemical Engineering, Hazard Analysis, Process Engineering, Occupational Hygiene, Hazard Communication (HazCom), Fire And Life Safety, Safety Assurance, Occupational Health, Health And Safety Standards, Safety Training, Risk Management, Environment Health And Safety, Chemical and Biomedical Engineering, Failure Analysis, Risk Analysis, Accident Prevention, Safety Standards, Electrical Safety, Risk Mitigation, Risk Control
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Wrangling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Dashboard, Big Data, Data Visualization, Microsoft Excel, Data Analysis, IBM Cognos Analytics, Statistical Visualization, Apache Hadoop, Statistical Analysis, Analytical Skills, Dashboard Creation, Excel Formulas, Data Cleansing, Pivot Tables And Charts, Spreadsheet Software
Build toward a degree
Beginner · Specialization · 3 - 6 Months
Rice University
Skills you'll gain: Statistical Hypothesis Testing, Microsoft Excel, Statistical Methods, Pivot Tables And Charts, Regression Analysis, Data Literacy, Statistics, Descriptive Statistics, Probability & Statistics, Graphing, Spreadsheet Software, Probability Distribution, Business Analytics, Statistical Modeling, Statistical Analysis, Statistical Inference, Excel Formulas, Data Analysis, Presentations, Sample Size Determination
Beginner · Specialization · 3 - 6 Months

IIMA - IIM Ahmedabad
Skills you'll gain: Leadership Studies, Leadership, Leadership Development, Team Leadership, Leadership and Management, Organizational Leadership, Business Leadership, Management Training And Development, Emotional Intelligence, Business Ethics, Culture Transformation, Strategic Leadership, Personal Development, Empathy & Emotional Intelligence, Influencing, Organizational Change, Organizational Effectiveness, Self-Awareness, Ethical Standards And Conduct, Mindfulness
Beginner · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, Generative AI, Generative Model Architectures, LLM Application, Generative Adversarial Networks (GANs), Hugging Face, Data Pipelines, PyTorch (Machine Learning Library), Natural Language Processing, Data Preprocessing, Model Training, Recurrent Neural Networks (RNNs)
Intermediate · Course · 1 - 4 Weeks
Khalifa University
Skills you'll gain: Environmental Management Systems, Environment Health And Safety, Environmental Monitoring, Environmental Regulations, Environmental Laws, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Health And Safety Standards, Emergency Response, Regulatory Compliance, Risk Analysis, Sustainability Standards, Risk Management, Incident Management, Waste Minimization
Beginner · Course · 1 - 4 Weeks

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
Beginner · Course · 1 - 3 Months