This course is the first part of the two parts course on Blockchain Theory and Applications. This course will provide a brief introduction of blockchain and cryptocurrency. It then provides detailed technical explanations on how Bitcoin and Ethereum work.
![Pohang University of Science and Technology(POSTECH)](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/http://coursera-university-assets.s3.amazonaws.com/b3/cd8cc0ea0811e7bdaabbe0f4091503/Square-logo180_180.png?auto=format%2Ccompress&dpr=1&w=28&h=28)
![](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/images/1a4589dccee10648821b7ea23e5fca9a.png?auto=format%2Ccompress&dpr=1&q=80)
![Pohang University of Science and Technology(POSTECH)](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/http://coursera-university-assets.s3.amazonaws.com/b9/b96960ea0d11e7adb165f9c5d28c59/200_48.png?auto=format%2Ccompress&dpr=1&h=45)
Blockchain Theory and Applications I
![James Won-Ki HONG](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera-instructor-photos.s3.amazonaws.com/6b/a18c30d51c11e8b15eeb2f93dfd479/___.jpg?auto=format%2Ccompress&dpr=1&w=75&h=75&fit=crop)
Instructor: James Won-Ki HONG
Sponsored by Coursera Learning Team
Recommended experience
Details to know
![](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/images/31ebcba3851b87d1d8609abf15d0ff7e.png?auto=format%2Ccompress&dpr=1&w=24&h=24)
Add to your LinkedIn profile
6 assignments
See how employees at top companies are mastering in-demand skills
![Placeholder](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/images/74c8747e8210831049cf88dd4eefe26c.png?auto=format%2Ccompress&dpr=2&blur=200&px=8&max-w=320)
![Placeholder](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/images/de1a6556fbe605411e8c1c2ca4ba45f1.png?auto=format%2Ccompress&dpr=2&blur=200&px=8&max-w=259)
Earn a career certificate
Add this credential to your LinkedIn profile, resume, or CV
Share it on social media and in your performance review
![Placeholder](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/images/de1a6556fbe605411e8c1c2ca4ba45f1.png?auto=format%2Ccompress&dpr=2&blur=200&px=8&max-w=333)
There are 6 modules in this course
This module explains the basic concepts of blockchain and cryptocurrency, the core technologies of blockchain and explains public/private blockchains, and the range of blockchain applications.
What's included
3 videos1 assignment
This module explains the concept of cryptographic hash functions and describes the structure of bitcoin blocks and transactions.
What's included
4 videos1 assignment
This module describes Bitcoin keys, addresses, node types, and discovery.
What's included
2 videos1 assignment
This module describes the mining process and the consensus algorithms.
What's included
2 videos1 assignment
This module describes Ethereum concepts and features. It explains accounts, transactions, transaction records, Block, Merkle Patricia Tree, Ether, and Gas.
What's included
4 videos1 assignment
This module describes Ethereum consensus algorithms, smart contracts, EVMs, network protocols and RLP encoding.
What's included
3 videos1 assignment
Instructor
![James Won-Ki HONG](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera-instructor-photos.s3.amazonaws.com/6b/a18c30d51c11e8b15eeb2f93dfd479/___.jpg?auto=format%2Ccompress&dpr=1&w=75&h=75&fit=crop)
Why people choose Coursera for their career
![](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/growth_testimonials/passionate_learner/Felipe_Moitta.png?auto=format%2Ccompress&dpr=1&w=64&h=64&fit=crop)
![](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/growth_testimonials/passionate_learner/Jennifer_John.png?auto=format%2Ccompress&dpr=1&w=64&h=64&fit=crop)
![](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/growth_testimonials/passionate_learner/Larry_Tao_Wang_1.png?auto=format%2Ccompress&dpr=1&w=64&h=64&fit=crop)
![](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/growth_testimonials/passionate_learner/Chaitanya_Anand.png?auto=format%2Ccompress&dpr=1&w=64&h=64&fit=crop)
Recommended if you're interested in Information Technology
Pohang University of Science and Technology(POSTECH)
Pohang University of Science and Technology(POSTECH)
University at Buffalo
University of California, Irvine
![Placeholder](https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/images/7a1c0e2e779c1ff27cae62480adfe003.png?auto=format%2Ccompress&dpr=2&blur=200&px=8&max-w=120)
Open new doors with Coursera Plus
Unlimited access to 10,000+ world-class courses, hands-on projects, and job-ready certificate programs - all included in your subscription
Advance your career with an online degree
Earn a degree from world-class universities - 100% online
Join over 3,400 global companies that choose Coursera for Business
Upskill your employees to excel in the digital economy