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 System
Skills you'll gain: Nutrition Education, Community Health, Nutrition and Diet, Health Education, Health Promotion, Public Health, Public Health and Disease Prevention, Child Health, Preventative Care, Health Disparities, Working With Children, Health Equity, Family Support, Exercise Science, Community Development, Student Engagement, Community Outreach, Student Support and Services, Health Policy
★ 4.7 (882) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computational Logic
★ 5 (21) · Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Mechanics, General Science and Research, Physical Science, Systems Of Measurement, Mathematical Modeling, Applied Mathematics, Scientific Visualization
★ 4.6 (174) · Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Spreadsheet Software, Financial Modeling, Predictive Modeling, Regression Analysis, Statistical Modeling, Data Modeling, Financial Forecasting, Excel Formulas, Risk Modeling, Business Modeling, Simulation and Simulation Software, Microsoft Excel, Google Sheets, Probability Distribution, Analysis, Forecasting, Predictive Analytics, Risk Analysis, Statistical Methods, Data Analysis Software
★ 4.2 (3.9K) · Mixed · Course · 1 - 4 Weeks
DeepLearning.AI
Skills you'll gain: Disaster Recovery, Image Analysis, Data Ethics, Responsible AI, Emergency Response, Mitigation, Text Mining, Natural Language Processing, Artificial Intelligence, Applied Machine Learning, Computer Vision, Spatial Data Analysis, Model Evaluation
★ 4.7 (322) · Beginner · Course · 1 - 4 Weeks
IE Business School
Skills you'll gain: Customer experience strategy (CX), Customer experience improvement, Branding, Brand Strategy, Brand Management, Journey Mapping, Consumer Behaviour, Value Propositions, Internal Communications, Subcontracting, Managed Services, Supplier Management
★ 4.7 (569) · Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Engineering, Thermal Management, Materials science, Physics, Engineering Calculations, Three-Phase, Physical Science, Applied Mathematics
Intermediate · Course · 1 - 3 Months
DeepLearning.AI
Skills you'll gain: Model Evaluation, Data Analysis, Jupyter, Artificial Intelligence and Machine Learning (AI/ML), Exploratory Data Analysis, Data Ethics, Machine Learning Algorithms, Artificial Intelligence, Model Training, Machine Learning, Applied Machine Learning, Responsible AI, Data Manipulation, Supervised Learning, Information Privacy, AI literacy, Environmental Monitoring, Healthcare Ethics, Public Health
★ 4.8 (252) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Talent Acquisition, Full Cycle Recruitment, Recruitment Strategies, Recruitment, Interviewing Skills, Employee Onboarding, Talent Pipelining, New Hire Orientations, Talent Sourcing, Human Resources Management and Planning, Talent Management, Human Resources, Applicant Tracking Systems, Job Analysis, Legal Risk, Employee Engagement, Resource Management, Diversity and Inclusion, Law, Regulation, and Compliance
Beginner · Course · 1 - 3 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, Mechanical Design
★ 4.9 (30) · Beginner · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: Computer-Aided Design, Design Software, Technical Design, 3D Modeling, Mechanical Engineering
★ 4.8 (19) · Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: electromagnetics, Electrical Engineering, Physics, Materials science, Mechanics, Engineering, Differential Equations, Mathematical Modeling
★ 4.8 (235) · Advanced · Course · 1 - 3 Months