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.

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, Information Systems Security, Infrastructure Security, Cybersecurity
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Team Leadership, Virtual Teams, Team Building, Conflict Management, Teamwork, Leadership and Management, Intercultural Competence, Program Management, Project Management, Organizational Leadership, Leadership, Communication Strategies, Simulation and Simulation Software, Communication
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Git (Version Control System), Version Control, Integrated Development Environments, Microsoft Visual Studio, Eclipse (Software)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Authentications, Identity and Access Management, Authorization (Computing), Active Directory, Role-Based Access Control (RBAC), Multi-Factor Authentication, Microsoft Azure, Single Sign-On (SSO), Software As A Service, User Accounts, Cloud Services, Enterprise Security
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Political Sciences, International Relations, Social Justice, Policy Analysis, Social Sciences, World History, Culture, Diplomacy, Ethical Standards And Conduct, Governance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploitation techniques, Scripting, Brute-force attacks, Python Programming, Command-Line Interface, Program Development, Network Protocols, TCP/IP, Data Persistence, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Threat Modeling, Encryption, Identity and Access Management, Information Systems Security, Threat Detection, Firewall, Infrastructure Security, Security Controls, Security Strategy, Authorization (Computing), Authentications, Security Awareness, Risk Management Framework
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Network Architecture, Virtual Networking, Network Performance Management, Network Monitoring, Performance Tuning, Cloud Deployment, System Monitoring, Virtual Machines, Infrastructure as Code (IaC), Windows PowerShell, Automation, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Database Design, Algorithms, Computer Programming, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Data Import/Export, Matplotlib, Pivot Tables And Charts, Jupyter, Data Visualization Software, Data Visualization, Microsoft Excel, Data Analysis, Text Mining, Data Manipulation, Data Cleansing, NumPy, Data Analysis Software, Data Wrangling, Time Series Analysis and Forecasting, Python Programming, Data Preprocessing, Data Structures, Development Environment
Intermediate · Specialization · 3 - 6 Months

American Psychological Association
Skills you'll gain: Qualitative Research, Case Studies, Interviewing Skills, Data Analysis, Research Methodologies, Social Sciences, Research, Data Collection, Cultural Diversity, Psychology, Anthropology
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: LLM Application, LangChain, Large Language Modeling, Model Evaluation, ChatGPT, Generative AI, Prompt Engineering, Application Development, Analytics, Natural Language Processing, Benchmarking
Beginner · Course · 1 - 4 Weeks