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.

Illinois Tech
Skills you'll gain: Big Data, Machine Learning Algorithms, NoSQL, Deep Learning, Statistical Analysis, Data Visualization, Data Analysis, Apache Hadoop, Exploratory Data Analysis, Apache Kafka, Apache Spark, Generative AI, Data Cleansing, Analytics, Real Time Data, Apache Cassandra, Image Analysis, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Sales Presentations, Brainstorming, Selling Techniques, Marketing Communications, Business Correspondence, Advertising, Business Marketing, Promotional Strategies, Presentations, Consultative Selling, Persuasive Communication, Employee Surveys, Product Promotion, Communication Strategies, Vocabulary
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Electrical Substation, Electric Power Systems, High Voltage, Electrical Systems, Electrical Equipment, Electrical Safety, Electrical Engineering, Control Systems, Automation Engineering, Artificial Neural Networks
Mixed · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Environmental Issue, Climate Change Mitigation, Natural Resource Management, Environmental Science, Biology, Climate Change Adaptation, Life Sciences, Anthropology, Ancient History
Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Water Resource Management, Energy and Utilities, Environmental Policy, Sustainable Business, Risk Management, Environmental Monitoring, Finance, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LLM Application, LangChain, Large Language Modeling, OpenAI, Natural Language Processing, Generative AI Agents, ChatGPT, Responsible AI, Application Programming Interface (API), Generative AI, Restful API, Agentic systems, Open Source Technology, MLOps (Machine Learning Operations), Data Processing, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, User Accounts, Unix Commands, Unix, Bash (Scripting Language), Command-Line Interface, Kubernetes, Git (Version Control System), GitHub, OS Process Management, Firewall, Ubuntu, Docker (Software), Containerization, Network Monitoring, Unix Shell, File Systems, Shell Script, TCP/IP, Version Control
Beginner · Specialization · 3 - 6 Months

Digital Marketing Institute
Skills you'll gain: LinkedIn, Social Media Marketing, Social Media, Digital Advertising, Marketing, B2B Sales, Professional Networking, Advertising Campaigns, Social Media Strategy, Marketing Analytics, Video Production, Advertising, Selling Techniques, Branding, Content Creation, Target Audience
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative Model Architectures, Generative AI, Applied Machine Learning, Statistical Modeling, Prompt Engineering, Large Language Modeling, Strategic Decision-Making, Machine Learning, Systems Integration, Software Development, Scalability, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Technical Communication, Scripting, Technical Writing, Automation, Technical Consulting, Security Controls
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Network Troubleshooting, Network Administration, Virtual Private Networks (VPN), Hardening, TCP/IP, Cybersecurity, Dynamic Host Configuration Protocol (DHCP), Human Factors (Security), Technical Support and Services, Encryption, Command-Line Interface, Authentications, Wireless Networks
Advanced · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Sustainable Development, Sustainability Reporting, Waste Minimization, Sustainability Standards, Interactive Learning, Sustainable Business, Sustainable Architecture, Sustainable Technologies, Corporate Sustainability, Training Programs, Construction, Student Engagement, Environmental Issue, Key Performance Indicators (KPIs), Environmental Engineering, Goal Setting, Climate Change Adaptation, Problem Solving, Professional Development, Business Communication
Beginner · Course · 1 - 3 Months