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: Linux Commands, Bash (Scripting Language), Shell Script, File Management, Unix Shell, Linux, File Systems, Unix Commands, Linux Servers, Scripting, Command-Line Interface, Linux Administration, Scripting Languages, Unix, File I/O, grep, Operating Systems, Package and Software Management, Network Protocols, OS Process Management
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Creative Thinking, Creative Problem-Solving, Creativity, Brainstorming, Architectural Design, Storytelling, Design Thinking, Design Elements And Principles, Curiosity, Empathy, Design, Design Strategies, Critical Thinking and Problem Solving, Teamwork, Creative Design, Collaboration, Cultural Responsiveness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Spreadsheet Software, Microsoft Excel, Microsoft Office, Microsoft 365, Data Analysis, Gross Profit, Document Management, Business Mathematics
Beginner · Guided Project · Less Than 2 Hours

Stanford University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Bioinformatics, Theoretical Computer Science, Social Network Analysis, Network Analysis, Network Routing, Computational Thinking, Mathematical Theory & Analysis, Analysis, Computer Science, Probability & Statistics, Probability, Design Strategies
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Medical Coding, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), CPT Coding, Medical Office Procedures, Medical Terminology, Adjudication
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Accounts Payable and Receivable, Accounts Payable, Bookkeeping, Generally Accepted Accounting Principles (GAAP), Cash Flow Forecasting, Month End Closing, Balancing (Ledger/Billing), Payroll Tax, Financial Statements, Process Analysis, Audit Working Papers, Accounting, Accounting Software, Reconciliation, Invoicing, General Ledger, Microsoft Excel, Payroll Processing, Internal Auditing, Variance Analysis
Beginner · Professional Certificate · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Scientific Methods, Science and Research, General Science and Research, Liberal Arts, Biology
Beginner · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Liberal Arts, Research, Scientific Methods, Social Sciences, Cultural Diversity, Psychology, Sociology
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Substance Abuse, Mental Health Diseases and Disorders, Clinical Psychology, Mental and Behavioral Health, Mental Health Therapies, Psychiatry, Psychological Evaluations, Mental Health, Substance Abuse Counseling, Psychology, Cognitive Behavioral Therapy, Psychiatric Assessments, Patient Evaluation, Behavioral Health, Psychotherapy, Culture, Cultural Sensitivity, Epidemiology, Pharmacology, Psychosocial Assessments
Beginner · Specialization · 3 - 6 Months

Tableau Learning Partner
Skills you'll gain: Tableau Software, Data Visualization Software, Business Analytics, Business Intelligence, Data Preprocessing, Data Integration, Data Cleansing, Performance Tuning
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Dashboard, Dashboard Creation, Data Visualization Software, Tableau Software, Data Visualization, Statistical Visualization, Interactive Data Visualization, Data Storytelling, Geospatial Information and Technology, Data Presentation, Data Analysis, Geospatial Mapping, Plot (Graphics), Graphing, Color Theory, Advanced Analytics, Business Analytics, Marketing Analytics, Analytics, Forecasting
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Electrical Power, Energy and Utilities, Electric Power Systems, Electrical Systems, Petroleum Industry, Regulatory Requirements, Environmental Regulations, Customer Engagement, Regulatory Affairs, Regulatory Compliance, Capacity Management, Sustainable Systems, Emerging Technologies, Billing, Technology Strategies, Environmental Issue, Environmental Policy, Climate Change Mitigation
Beginner · Course · 1 - 3 Months