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.

Duke University
Skills you'll gain: Matplotlib, Data Visualization, Predictive Modeling, Pandas (Python Package), Data Visualization Software, Predictive Analytics, Regression Analysis, Data Analysis, Data Cleansing, Data Science, Machine Learning Algorithms, Statistical Inference, Statistical Modeling, Probability & Statistics, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Knitr, Exploratory Data Analysis, Dimensionality Reduction, Ggplot2, Plotly, Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Statistical Analysis, Generative AI, R Programming, Correlation Analysis, Data Analysis, Tidyverse (R Package), Scatter Plots, Descriptive Statistics, Data Cleansing, Data Preprocessing
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Community Organizing, Compassion, Community Development, Community Outreach, Social Impact, Needs Assessment, Train The Trainer, Program Evaluation, Sustainable Development, Education and Training, Data Mapping, Initiative and Leadership, Empowerment, Curriculum Planning, Working With Children, Collaboration, Planning, Environmental Issue
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Data Ethics, Generative AI, Large Language Modeling, Artificial Intelligence, AI Workflows, PyTorch (Machine Learning Library), AI Security, MLOps (Machine Learning Operations), Tensorflow, Information Privacy, Model Deployment, Machine Learning, A/B Testing, Version Control, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: R Programming, Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Data Science, Tidyverse (R Package), Statistical Modeling, Data Analysis, Regression Analysis, Data Structures, Statistical Analysis, Descriptive Statistics, Programming Principles, Data Transformation, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, Apache Hadoop, Data Lakes, Big Data, Linux Commands, File Systems, Data Management, Command-Line Interface, Data Processing, Software Installation, Distributed Computing, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, IT Automation, Infrastructure as Code (IaC), Devops Tools, Linux Commands, Automation, Debugging, YAML, Scripting, Security Controls, Unix Commands, Command-Line Interface, Encryption, Amazon Web Services, Package and Software Management, Software Installation, Configuration Management, File Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: IT Security Architecture, Threat Modeling, Application Security, Cloud Deployment, Cloud Computing Architecture, Cloud Computing, Cloud Services, Security Engineering, Cloud Security, Systems Architecture, Information Systems Security, Security Controls, Secure Coding, Public Cloud, Threat Management, Software As A Service, Infrastructure As A Service (IaaS), Computer Security, Threat Detection, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Reinforcement Learning, Dimensionality Reduction, PyTorch (Machine Learning Library), Machine Learning Algorithms, Data Preprocessing, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Generative Adversarial Networks (GANs), Machine Learning Methods, Deep Learning, Transfer Learning, Applied Machine Learning, Pandas (Python Package), Scikit Learn (Machine Learning Library), Python Programming, Machine Learning, Artificial Neural Networks, Data Processing, Natural Language Processing, Feature Engineering
Intermediate · Course · 3 - 6 Months

Skills you'll gain: CI/CD, Microsoft Azure, Data Lakes, Microsoft Power Platform, Azure Synapse Analytics, Data Pipelines, Analytics, Data Warehousing, Advanced Analytics, Data Security, Data Management, Data Analysis Expressions (DAX), Power BI, Microsoft Excel, Exploratory Data Analysis, Apache Spark, Application Deployment, SQL, Governance, Version Control
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon Web Services, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Cloud Computing Architecture, Cloud Infrastructure, Amazon Elastic Compute Cloud, Load Balancing, Network Routing, Hybrid Cloud Computing, Network Security, Amazon S3, Data Migration
Intermediate · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Building Design, Social Impact, Sustainable Design, Architectural Design, Financial Inclusion, Construction, Environmental Issue, Climate Change Mitigation, Case Studies
Beginner · Course · 1 - 3 Months