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: Cell Biology, Physiology, Anatomy, Medical Terminology, Biology, Health Systems, Molecular, Cellular, and Microbiology, Life Sciences, Health Assessment, Basic Patient Care
★ 4.8 (39) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Writing, English Language, Literacy
★ 4.7 (20K) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Probability, Statistical Inference, Estimation, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Bayesian Statistics, Markov Model, Statistical Analysis, Sampling (Statistics), Applied Mathematics, Artificial Intelligence, Machine Learning Methods, Generative AI, Data Analysis, Correlation Analysis, Data Science, Machine Learning Algorithms, Mathematical Theory & Analysis
★ 4.4 (355) · Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Prompt Engineering, Excel Formulas, Microsoft Copilot, Microsoft Excel, Data Visualization, Data Analysis, Data Entry, Data Analysis Software, Microsoft Office, Spreadsheet Software, Data Manipulation, User Interface (UI)
★ 4.3 (365) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Revenue Cycle Management, Medical Billing, Medical Billing and Coding, Electronic Medical Record System, Medical Coding, Medical History Documentation, Medical Records, ICD Coding (ICD-9/ICD-10), Electronic Medical Record, Health Care Procedure and Regulation, Health Information Management and Medical Records, CPT Coding, Medical Office Procedures, Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Industry Knowledge, Patient Registration, Health Information Management, Managed Care, Payment Processing
★ 4.7 (642) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Systems, Banking Services, Bank Regulations, Banking, Mobile Banking, Financial Regulation, Financial Services, Risk Management, Financial Regulations, Retail Banking, Financial Policy, Commercial Banking, Credit Risk, Finance, Payment Systems, General Finance, FinTech, Operational Risk, Financial Market, Business Modeling
★ 4.7 (299) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Market Data, Finance, General Finance, Financial Planning, Corporate Finance, Financial Analysis, Financial Market, Securities (Finance), Investments, Financial Data, Equities, Investment Management, Capital Markets, Cash Flows
★ 4.6 (423) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Team Leadership, Team Performance Management, Team Collaboration, Collaboration, People Management
★ 4.8 (40) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Occupational Safety and Health Administration (OSHA), Occupational Safety And Health, Health And Safety Standards, Occupational Health, Safety Standards, Environment Health And Safety, Safety Audits, Compliance Management, Regulatory Compliance, Labor Law
★ 4.8 (299) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Continuous Integration, Software Versioning, Collaborative Software, Software Configuration Management, CI/CD, Code Review, Issue Tracking, Command-Line Interface, Software Installation
★ 4.8 (8K) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Instructional and Curriculum Design, Needs Assessment, Instructional Design, Learning Theory, Diversity and Inclusion, Training and Development, People Development, Education and Training, Pedagogy, Curriculum Development, Instructional Strategies, Systems Analysis, Job Analysis, Analysis, Learning Styles
★ 4.1 (869) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Debugging, Data Structures, System Programming, Microarchitecture, C (Programming Language), Memory Management, Hardware Architecture, Computer Architecture, Software Design, Maintainability, System Configuration, Code Reusability, Software Architecture, Peripheral Devices
★ 4.5 (531) · Intermediate · Course · 1 - 4 Weeks