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 Pennsylvania
Skills you'll gain: Dental Care, Patient Evaluation, Dentistry, Dental Informatics, Dental Procedures, Oral Health, Dental Hygiene, Periodontology, Oral and Dental Care, Oral Cancer Screening, Cardiology, Disabilities, Pain Management, General Medicine, Biomedical Technology, Biomedical Engineering, Endocrinology, Medical History Documentation, Oncology, Anatomy
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures, Scripting, Python Programming, Programming Principles, Development Environment, Virtual Environment
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Security Strategy, Data Sharing, Responsive Web Design, Compliance Reporting, User Accounts, Application Development, Mobile Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React Redux, React.js, JavaScript Frameworks, Javascript, Web Development Tools, Middleware, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Optimization, Process Improvement, Brainstorming, Continuous Improvement Process, Business Process Improvement, Root Cause Analysis, Creative Problem-Solving, Innovation, Operational Efficiency, Knowledge Transfer, Collaboration, Technology Strategies, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Copywriting, Education Software and Technology, Motion Graphics, Blogs, AI Product Strategy, Graphic and Visual Design, Scripting, Color Theory, Target Audience, Creativity, Writing and Editing, Social Media Content, Typography, Marketing, Business Research
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Generative AI, Business Metrics, Machine Learning Methods, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Machine Learning, Machine Learning Algorithms, Model Evaluation, Artificial Intelligence, Model Deployment, Key Performance Indicators (KPIs), Performance Measurement, Performance Metric, AI Product Strategy, Business Solutions
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Patient Safety, Continuous Quality Improvement (CQI), Health Systems, Safety Assurance, Health Care Procedure and Regulation, Healthcare Industry Knowledge, Healthcare Project Management, Risk Management, Project Management, Key Performance Indicators (KPIs), Incident Management, Strategic Leadership
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Test Driven Development (TDD), Release Management, Software Testing, Behavior-Driven Development, Business Continuity Planning, Risk Management, System Testing, Application Deployment, Software Quality Assurance, Software Development Life Cycle, CI/CD, Data Validation, Systems Analysis, Systems Thinking, Data Modeling, Product Lifecycle Management, Business Process Automation, Digital Transformation, Process Flow Diagrams
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, Database Management, Microsoft SQL Servers, SQL, Data Manipulation, Relational Databases, Data Integrity, Generative AI, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Ansible, Devops Tools, Continuous Deployment, Software Development Tools, Configuration Management, Infrastructure as Code (IaC), Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Devops Tools, Collaborative Software, Software Configuration Management, Software Development Tools, Unix Shell, Command-Line Interface, Secure Coding
Intermediate · Course · 1 - 3 Months