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.

Microsoft
Skills you'll gain: Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Web Applications, Test Driven Development (TDD), Debugging, Restful API, Performance Testing, Maintainability, Javascript, Full-Stack Web Development, Software Architecture, JSON, Data Transformation
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, English Language, Vocabulary
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Encryption, OSI Models, IT Security Architecture, Network Performance Management, Network Architecture, Computer Networking, Network Monitoring, Remote Access Systems, TCP/IP, Network Infrastructure, Network Troubleshooting, Network Protocols, Infrastructure Security, Wireless Networks, Virtual Private Networks (VPN), Endpoint Security, Cloud Security, Routing Protocols, Software-Defined Networking
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Blockchain, Cyber Risk, FinTech, Operational Risk, Scalability, Regulatory Compliance, Legal Risk, Exploit development, Financial Regulations, Risk Analysis, Vulnerability Assessments, Secure Coding, Governance, Environmental Social And Corporate Governance (ESG)
Intermediate · Course · 1 - 3 Months

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

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, Software Design, Linux, System Programming, System Design and Implementation, Performance Tuning, Verification And Validation, Algorithms, Debugging
Advanced · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Apache Hadoop, Big Data, Data Analysis, Apache Spark, Data Science, Data Processing, Distributed Computing, Performance Tuning, Scalability, Data Storage, Python Programming
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Environmental Issue, Laboratory Testing, Environmental Monitoring, Public Health, Environmental Engineering, Microbiology, Analytical Chemistry, Environmental Science, Biochemistry, Biology
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Transportation, Supply Chain, and Logistics, Transportation Operations, Supply Chain Planning, Logistics Management, Shipping and Receiving, Service Design
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Statistical Analysis, R Programming, Statistical Programming, Data Analysis, Debugging, Simulations, Computer Programming Tools, Program Development, Programming Principles, Data Structures, Performance Tuning, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Music Theory, Music, Musical Composition, Classical Music, Music History, Instrumental Music, Music Performance, World Music
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Linux Administration, Linux, Linux Servers, Operating System Administration, User Accounts, Linux Commands, User Provisioning, Systems Administration, System Configuration, Hardening, Security Controls, Authorization (Computing), Computer Security, Network Administration, Authentications
Intermediate · Course · 1 - 3 Months