Dec 23, 2017
I've gained a strong knowledge of Bitcoin's architecture but wish this course was updated to include the developments of the last two years. A few lectures on alt-coins would have been useful as well.
Mar 11, 2018
Great course, a very broad and in-depth overview of concepts surrounding cryptocurrencies and Bitcoin in particular. Would be great to have an update of course; perhaps once the ICO craze is over? (-:
Sep 04, 2017
Some of the lectures provided interesting and useful content. Others seemed to just be filling time. I was hoping for more of a technical exploration of Bitcoin and other significant cryptocurrencies. This course focuses almost completely on Bitcoin. It also speaks to cryptocurrencies in general, but give no in-depth treatment to any other cryptocurrency. Although it was not what I had hoped for, I did appreciate the wide breadth of Bitcoin related topics. This course provides a significant amount of material to digest for anybody who wants to contemplate how cryptocurrencies and other uses of block-chain technologies might continue to impact our society.
The lab assignments were extremely disappointing. The first lab has enormous potential, but the instructions are awful. The second lab is an interesting idea, but the instructions are even worse than the first lab. I'm guessing that somebody's grad students were tasked with developing the lab assignments, and the second lab was left unfinished when a student decided to leave academia to take a job with Uber. The third lab did not add much to the course.
by Vivek S•
Jan 30, 2017
The course is comprehensive and covers technical, social, economic. legal aspects of Bitcoin. The technical treatment is hands on and gives a really good fell for how bitcoin and blockchain works compared to several other sources where treatment is superficial.
There are several parts of the course I was not able to get a clear understanding - such as implementation of the actual bitcoin core in the stack based script. Also I found the questions for the programming assignments convoluted and not very helpful in describing what is required from the student. Had it not been for discussions on the student forum I would not have been able to complete the final assignment.
Despite the shortcomings I would recommend this for someone who is good in Java and would like to get a technical as well as comprehensive understanding of cryptocurrencies and blockchain.
by Cathryn S•
Nov 19, 2017
A good general introduction to bitcoin, and blockchain technology. Unfortunately, this is a very fast moving area and so a course which hasn't been updated since 2015 is fairly out of date now. However, the basic ideas haven't changed so that's valuable. The thinking about where bitcoin, and block chain technology in general, are heading, has moved on a lot - we've had hard forks, bitlicenses were introduced, and the value of a bitcoin topped $8000 this week.
I'm not a software engineer, so I didn't do the programming assignments, just watched the videos and read around the topic. That worked well, and to some extent the fact that it is so out of date means that I was forced to go and look stuff up, which meant I learned more.
by Anthony G•
May 25, 2017
Great course material (although it does need a few updates), good lecturers, and gives a very good overview of how Bitcoin and cryptocurrencies in general operate. The assignments however are of a difficulty level completely different to the lectures and quizzes! Much of the resources needed to complete assignments is not in the lectures or other source material, or is only hinted at but not explained in the necessary detail. Java programming experience is a must as non-trivial classes and code are provided as the starting point for assignments.
I thoroughly enjoyed the course, but the assignments did not seem to be on par with the rest of the course material.
by Wai L L•
Nov 21, 2017
The course is good because it covers all areas about bitcon technology, block chain and decentralisation from the past to the future. The assignments are also very useful for enhance our understanding to the basic concepts and course materials. However, it would be better if slides can be shown for a longer time in the videos while instructors are explaining, since some of the students are not English native who may need more time to read the slides (without pausing the video). Thanks all instructors, mentors, and coursera staff for providing this high quality online course.
by Daniel A V A•
Jun 08, 2020
I have been debating if I should be rate this course with 3 or 4 stars. How can you rate something for free as 3 stars?
The course does share some important concepts and insights about what Bitcoin is and how cryptocurrency technology works. Unfortunately it is too advanced for the a person without medium to advanced technology skills. Assignments are near impossible to accomplish. My background in engineering and some coding did not help.
by Erik E•
Dec 10, 2017
Most lectures were good, but the assignments are terrible. None of the assignments comes with code comes with tests to run on your own computer, which means that you have to turn the code in to run it. This means that prints and asserts does not work and the only way I could debug was with exceptions. The assignments are poorly described as well.
by hamza r•
Oct 26, 2017
I like it but for the tasks are for people with programming language. I personally don't have this but wanted to work out the mechanics of the Bitcoin, and cryptography. Although the learning material is great and not too detailed so someone like myself can learn the basics, I am unable to pass the course due the programming tasks
by Borja B A•
Jan 29, 2018
The videos were quite good even if some of them should be updated. But the code assignments were confusing and not focussed on the problem. Errors from the automatic evaluator were not helpful at all. I wasted a lot of time doing the homework that didn't teach me too much. So 4 starts for the videos and 1 star for the womework.
by Anthony F•
Sep 22, 2017
Course was globally good and provided an overall knowledge around cryptocurrencies and bitcoin. However, I find the exercises not related to the lessons and not well timed in the global course. Nothing really prepares you correctly for exercise 3 for instance, which took me quite a long time to figure out.
by Stela L•
Jan 18, 2020
All the basic cryptocurrency topics are pretty well covered, I just wish some more depth about lightning network and maybe smart contracts, etc would be mentioned and maybe some more interesting assignments would be more helpful. Maybe a sequel of this course would add up more.
by Todd B•
Feb 27, 2017
Great overview of Bitcoin, solid foundation in Blockchain. This industry is fast moving so its a bit dated with its content -- for example, this was done before Ethereum so it is not mentioned at all. Needs to be updated. Plus -- no certificate dings it one more for me...
by Shivom S•
May 25, 2020
A proper forewarning about the heavy programming should be given. This course turned out to be harder than expected. There is no mention of such coding assignments in the instructions.
And there is no certificate provided for the efforts which is kind of disheartening.
by Denise R•
Apr 17, 2020
very math based I recommend the Wharton university course if your not very mathy and just want a good amount of information introducing you to crypto so you can decide wether to invest or not. this one guess into way more unnecessary detail in my opinion
by Pietro D•
Jan 05, 2018
The course is great!
The teachers very prepared, but there are some things to change like, for example, the assignments (that are difficult and not consistent with the contents of the course) and some contents that, nowadays, are partly obsolete.
by Joseph L•
Oct 03, 2017
Interesting introduction to the subject matter. The assignments could use some refinement to make their goal a and the testing a little easier. There were also some errors in the economic analysis presented during the course.
by Angel G•
Mar 11, 2018
It's a good course to get a grip on the fundamentals of cryptocurrency, beyond pure technology.
But the content must be updated, and practices are no well designed according to the flow of the course.
by Isaac Y•
May 21, 2018
I love the assignments (better than any other classes I knew) but the instructions and also helps weren't clear.
The materials are a bit out-dated. Some of the materials from Week 8 aren't useful.
by Phillipe S S R•
Jan 03, 2018
Should have more lesson about alt coins and develop a Blockchain. Also tell more about concurrences of blockchain (tangle, hashgraf and so on).
Should have explicit the need of java programming.
by Ivan G•
Jun 20, 2017
1 Very poor preparation of programming assignments
2 Poor preparation of video content (like switching to video from camera just to demonstrate laser pointer)
by Dragos S F•
Feb 11, 2018
Good information even if it could be explained in a better manner. The labs are very poorly designed with vague requirements and poor grading logic.
by Eugene T•
Sep 08, 2017
It was very hard to figure out what is required to complete assessment tasks.
I did't find much correlation between lectures and practical tasks.
by Alan N•
Jul 08, 2019
Great course , very informative and a good general introduction to bitcoin, and blockchain technology Thanks for lecturers highly recommended.
by Telmo J P P•
Sep 10, 2017
A good introduction, but could be better. The assignments' code is poorly documented and the assignments themselves are not clear.
by Bryan B•
Apr 10, 2018
A little dated (2014) and not enough technical detail, coverage a little too broad. Java homework exercises are great, though