This course offers a comprehensive introduction to blockchain technology and cryptocurrencies, starting with foundational concepts and the evolution of money and payment systems. Students will explore how blockchain networks function, including block validation, cryptographic hashing, and consensus mechanisms such as Proof of Work and Proof of Stake. The course delves into Ethereum's architecture, smart contracts, gas fees, and recent protocol upgrades. Learners will also gain hands-on insights into decentralized applications (DApps), token standards (ERC-20, NFTs), and use cases in gaming and decentralized finance (DeFi). Finally, the course examines real-world business applications of blockchain, highlighting its potential to transform industries through decentralization, transparency, and automation.
Enjoy unlimited growth with a year of Coursera Plus for $199 (regularly $399). Save now.
What you'll learn
The fundamental concepts of blockchain technology, understanding how it works, why it was created and the problems it aims to solve.
Mechanisms behind the working of cryptocurrencies through blockchain, cryptography, consensus, and decentralized transaction validation.
How Blockchain helps businesses build trust, boost transparency and unlock value by transforming how data, assets, and transactions are managed.
Explore Ethereum’s DeFi apps: decentralized exchanges, lending & borrowing protocols, and liquid staking innovations.
Skills you'll gain
Details to know
Add to your LinkedIn profile
December 2025
10 assignments
See how employees at top companies are mastering in-demand skills
There are 5 modules in this course
In this module, we will explore the core ideas and mechanisms that define how blockchain systems work. We will gain a clear understanding of the fundamental concepts and processes that form the foundation of blockchain technology.
What's included
6 videos2 readings2 assignments
In this module we will learn how blockchain systems validate blocks. This includes the hash algorithms underlying protocols like Bitcoin and proof of stake processes such as those used in Ethereum.
What's included
5 videos1 reading2 assignments
In this module, we will learn how Ethereum functions and what makes it unique. We will explore smart contracts, the role of gas, compute, and storage, and gain an understanding of both the legacy and updated Ethereum fee models.
What's included
8 videos6 readings2 assignments
In this module we will learn how decentralised applications (Dapps) can be deployed using smart contracts. This will include a brief introduction to tokens (ERC20 and NFTs), decentralized games (Cryptokitties, Axie Infinity), Decentralized Finance).
What's included
5 videos5 readings2 assignments
In this module, you will learn how blockchain systems can be applied across a range of business scenarios and the kinds of efficiencies and solutions they can provide. We will explore how blockchain facilitates secure transactions, enhances transparency, streamlines processes, and supports innovative business models.
What's included
5 videos2 readings2 assignments
Instructors
Offered by
Why people choose Coursera for their career
Frequently asked questions
To access the course materials, assignments and to earn a Certificate, you will need to purchase the Certificate experience when you enroll in a course. You can try a Free Trial instead, or apply for Financial Aid. The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.
When you purchase a Certificate you get access to all course materials, including graded assignments. Upon completing the course, your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile.
Yes. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.
More questions
Financial aid available,