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.
LearnQuest
Skills you'll gain: Closing (Sales), Sales Prospecting, Selling Techniques, Sales Presentations, Overcoming Objections, Sales, Sales Process, Sales Strategy, Sales Pipelines, Customer Relationship Management (CRM) Software, Lead Generation, Negotiation, Business Ethics, Customer Engagement, Business Process Automation, Regulatory Compliance, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Dictionary, Data Quality, Data Management, Data Cleansing, Data Validation, Data Governance, Data Integrity, Case Studies, Communication Strategies, Stakeholder Communications, Cross-Functional Collaboration, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Engineering, Thermal Management, Materials science, Physics, Engineering Calculations, Mechanics, Physical Science, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Strategic Sourcing, Procurement, Supplier Performance Management, Keyword Research, Lead Generation, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Controls, Security Awareness, Change Control, Computer Security Awareness Training, Cybersecurity, Security Management, Data Security, Safety and Security, Cyber Security Policies, Data Ethics, Data Integrity, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mechanical Engineering, Thermal Management, Chemical Engineering, Materials science, Simulations, Engineering Analysis, Engineering Calculations, Physics, Estimation, Mathematical Modeling, Calculus
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Version Control, Microsoft Copilot, C# (Programming Language), Git (Version Control System), Microsoft Visual Studio, .NET Framework, Program Development, Application Development, Object Oriented Programming (OOP), Computer Programming, Microsoft Development Tools, Development Environment, User Interface (UI), Programming Principles
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Web Design, Application Deployment, Web Design and Development, Development Environment, Web Development, Front-End Web Development, User Interface (UI), Interactive Design, GitHub
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: No-Code Development, Workflow Management, Business Process Modeling, Process Mapping, Business Process, Data Integration
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, Quality Management, Product Testing, Design Specifications, Chemistry, Safety Standards, Personal Care, Microbiology
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Mechanical Engineering, Statistical Methods, Engineering, Physics, Probability Distribution, Physical Science, Chemistry, Calculus
Advanced · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Meeting Facilitation, Business Communication, Business Correspondence, Telephone Skills, Writing, Employee Coaching, Business Leadership, English Language, Staff Management, Recruitment, Verbal Communication Skills, Team Building, Communication
Intermediate · Course · 1 - 3 Months