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.

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Bayesian Network, R (Software), R Programming, Social Network Analysis, Simulations, Graph Theory, Statistical Analysis, Probability & Statistics, Markov Model, Probability Distribution, Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, LLM Application, Agentic systems, Prompt Engineering, Data Persistence, Context Management, Human Centered Design
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: GitHub, Git (Version Control System), Version Control, DevOps, Amazon Web Services, Collaborative Software, Continuous Integration, Linux, Code Review, Command-Line Interface
Beginner · Course · 1 - 3 Months

AI Business School
Skills you'll gain: Prompt Engineering, Generative AI, Sales Enablement, Financial Forecasting, AI Personalization, Sales, AI Product Strategy, AI Enablement, ChatGPT, Large Language Modeling, LLM Application, Risking, AI Workflows, Artificial Intelligence, Finance, Responsible AI, Ideation, Business Transformation, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Performance Tuning, Spring Framework, Application Performance Management, Algorithms, JUnit, OS Process Management, Application Frameworks, Programming Principles, Performance Testing, Spring Boot, Computer Architecture
Beginner · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, AI Personalization, Data Engineering, System Monitoring, Generative AI, Prompt Engineering, Data Processing, AI Workflows, Scalability, Data Architecture, Data Pipelines, Embeddings, Performance Tuning, Continuous Monitoring, Database Systems, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Cloud Deployment, Amazon Web Services, Cloud Management, Cloud Computing, User Accounts, Cloud Infrastructure, Account Management, Public Cloud, Servers, Linux Servers, Cloud Security, Docker (Software), Billing, Market Analysis, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unix Shell, Unix Commands, Unix, Shell Script, Bash (Scripting Language), Command-Line Interface, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Linux Commands, File I/O, IT Automation, Linux, User Accounts, File Systems, System Monitoring, Operating Systems, File Management, Performance Tuning
Beginner · Specialization · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: SQL, Data Integrity, Database Management, Relational Databases, Database Systems, Databases, Query Languages, Database Design, Web Applications, Application Security, Server Side, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Vision, Applied Machine Learning, Digital Signal Processing
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Manufacturing and Production, Industrial Engineering, Workforce Development, Automation, Sustainable Technologies, Internet Of Things, Emerging Technologies, Robotics, Digital Transformation, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Change Management, Organizational Change, Business Leadership, Business Transformation, Strategic Leadership, Leadership, Influencing, Corporate Sustainability, Sustainable Development, Communication
Intermediate · Course · 1 - 4 Weeks