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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Digital Communications, Communication Systems, Telecommunications, Algorithms, Linear Algebra
★ 4.5 (649) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Due Diligence, Financial Regulation, Compliance Reporting, Financial Industry Regulatory Authorities, Financial Regulations, Regulatory Requirements, Regulatory Compliance, Law, Regulation, and Compliance, Legal Risk, Financial Controls, Compliance Management, Risk Control, Property and Real Estate, Business Reporting, Risk Analysis, Transaction Processing, Record Keeping, Workflow Management, Analysis, Customer Analysis
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Electrical Systems, Electric Power Systems, Electrical Power, Energy and Utilities, Electrical Equipment, Three-Phase, High Voltage, Wiring Diagram, Electrical Engineering, Systems Analysis, Failure Analysis, Engineering Analysis, Mathematical Modeling, Simulation and Simulation Software, Engineering Calculations, Simulations, Network Analysis
★ 4.3 (26) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statements, Microsoft Excel, Excel Formulas, Balance Sheet, Ledgers (Accounting), Financial Statement Analysis, Financial Data, Income Statement, Bookkeeping, Data Entry, Financial Reporting, Financial Accounting, Profit and Loss (P&L) Management, Spreadsheet Software, Month End Closing
★ 4.5 (882) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Angular, Frontend Integration, Restful API, JavaScript Frameworks, Application Programming Interface (API), Data Persistence, Data Validation, API Design, Front-End Web Development, Web Frameworks, Web Applications, Frontend Performance, TypeScript, Business Logic, UI Components, HTML and CSS, Web Servers, Responsive Web Design, Software Design, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Liberal Arts, Aesthetics, Culture, European History, World History, Social Justice, Psychology, Political Sciences, Sociology, Social Sciences, Human Development
★ 4.7 (376) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
★ 4.5 (551) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Writing, Persuasive Communication, Communication Strategies, Communication, Critical Thinking, Dealing With Ambiguity
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Secure Coding, ASP.NET, Role-Based Access Control (RBAC), Authentications, Data Security, Microsoft Copilot, Encryption, Authorization (Computing), Identity and Access Management, Back-End Web Development, Debugging, Application Security, Data Storage, Cryptography, Application Programming Interface (API), User Accounts
★ 4.3 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Cloud Computing, Linux, Linux Commands, Linux Administration, Cloud Computing Architecture, Cloud Security, Operating Systems, Windows Servers, Microsoft Windows, File Systems, Systems Administration, Mac OS, Command-Line Interface, Virtual Machines, Firewall, Virtualization, Knowledge of Apple Software, File Management, User Accounts
★ 4.6 (5.7K) · Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Internet Of Things, Operating Systems, Application Development, Wireless Networks, Communication Systems, Hardware Architecture, OS Process Management, Network Protocols, Simulations, C (Programming Language), Network Performance Management, Memory Management
★ 4.1 (629) · Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Budget Management, Budgeting, Financial Management, Operating Budget, Cost Control, Performance Management, Performance Measurement, Business Planning, Business Strategy, Strategic Planning, Variance Analysis, Cross-Functional Collaboration, Forecasting
★ 4.5 (320) · Intermediate · Course · 1 - 3 Months