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.

Multiple educators
Skills you'll gain: Sustainable Design, Packaging and Labeling, Human Centered Design, Sustainable Engineering, Sustainable Business, Environmental Regulations, Sustainability Standards, Design Thinking, Sustainable Technologies, Product Development, Business Leadership, Waste Minimization, Product Design, Corporate Sustainability, Product Lifecycle Management, Regulatory Requirements, Design Strategies, Reverse Logistics, Logistics, Environment and Resource Management
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Basic Electrical Systems, Electrical Engineering, Physics, Electrical Systems, Electronic Components, Problem Solving, Mechanics, Calculus
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Laboratory Experience, Quality Control, Product Development, Packaging and Labeling, Quality Assurance, Laboratory Equipment, Prototyping, Product Quality (QA/QC), New Product Development, Laboratory Procedures, Statistical Process Controls, Product Design, Good Manufacturing Practices, Laboratory Testing, Quality Management, Product Testing, Chemistry, Personal Care, Microbiology, Biology
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Data Analysis, Exploratory Data Analysis, Analytics, Statistical Analysis, Social Sciences, Behavioral Economics, Research, Data Collection, Sociology, Data Transformation, Persuasive Communication, Application Programming Interface (API), Media and Communications, Substance Abuse, Psychology
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Liberal Arts, Storytelling, World History, Writing
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Design Elements And Principles, Graphic Design, Design, Typography, Adobe InDesign, Content Creation, Design Research, Information Architecture, Color Theory, Adobe Photoshop
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Video Editing, Videography, Post-Production, Storyboarding, Photo/Video Production and Technology, Video Production, Storytelling, Proposal Writing, Target Audience, Presentations, Sales Presentations, Business Writing, Writing and Editing, Promotional Strategies, Marketing, Concision, Editing, Creativity, Writing
Beginner · Specialization · 3 - 6 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Assembly Drawing, 3D Modeling, Computer-Aided Design, Mechanical Design, Engineering Drawings
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Insurance, Insurance Policies, Risk Management, Wealth Management, Business Risk Management, Financial Planning, Economics, Risk Analysis, Finance, Human Capital, Trustworthiness, Case Studies, Innovation
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Application, Database Management, Database Systems, Big Data, Machine Learning Algorithms, Databases, NoSQL, SQL, MySQL, Statistical Analysis, Data Visualization, Database Theory, Data Analysis, Apache Hadoop, Exploratory Data Analysis, Transaction Processing, Apache Kafka, Stored Procedure
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

MedCerts
Skills you'll gain: Medical Terminology, Anatomy, Human Musculoskeletal System, Pathology, Orthopedics, Medical Records, Health Information Management and Medical Records, Physiology, Oncology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java, Apache Maven, Hibernate (Java), Unit Testing, Gradle, Microservices, Object-Relational Mapping, Software Testing, Testability
Intermediate · Course · 1 - 3 Months