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.

Coursera
Skills you'll gain: Accounts Payable and Receivable, Accounts Payable, Bookkeeping, Generally Accepted Accounting Principles (GAAP), Cash Flow Forecasting, Month End Closing, Balancing (Ledger/Billing), Payroll Tax, Financial Statements, Process Analysis, Audit Working Papers, Accounting, Accounting Software, Reconciliation, Invoicing, General Ledger, Microsoft Excel, Payroll Processing, Internal Auditing, Variance Analysis
★ 2.8 (15) · Beginner · Professional Certificate · 3 - 6 Months

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
★ 4.7 (4.7K) · Mixed · 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

Lund University
Skills you'll gain: Climate Change Programs, Climate Change Mitigation, Sustainable Development, Climate Change Adaptation, Social Justice, Drive Engagement, Community Development, Social Impact, Mitigation, Systems Thinking, Stakeholder Engagement, Research and Design, Visionary, Data-Driven Decision-Making, Finance, Innovation, Strategic Partnership, Governance, Collaboration
★ 4.8 (13) · Beginner · 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 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

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 Pennsylvania
Skills you'll gain: Ancient History, Art History, Anthropology, Social Studies, Timelines, World History, Public History, Liberal Arts, Cultural Diversity, Storytelling, Writing
★ 4.6 (2.9K) · Intermediate · Course · 1 - 3 Months

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 (460) · Intermediate · Course · 1 - 3 Months

University of California, Santa Barbara
Skills you'll gain: Human Resources, Human Resource Policies, Labor Compliance, Legal Risk, Law, Regulation, and Compliance, Compliance Management, Workforce Management, Compensation Management, Labor Law, Job Analysis, Operational Risk, Payroll, Risk Mitigation, Compliance Auditing, Risk Analysis
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Chemistry, Analytical Chemistry, Physical Science, Systems Of Measurement, Scientific Methods, Mathematical Modeling
★ 4.7 (570) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Problem Solving, Agentic systems, Computational Thinking, Computer Vision, Game Theory, Image Analysis, Artificial Neural Networks, Probability Distribution, Decision Intelligence, Behavioral Economics, Analysis, Convolutional Neural Networks, Logical Reasoning, Algorithms, Human Development, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, AI literacy, Theoretical Computer Science, Psychology
★ 4.4 (370) · Beginner · Specialization · 3 - 6 Months