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Volver a Decentralized Applications (Dapps)

Opiniones y comentarios de aprendices correspondientes a Decentralized Applications (Dapps) por parte de University at Buffalo

1,124 calificaciones

Acerca del Curso

This third course of the Blockchain specialization prepares you to design and develop end-to-end decentralized applications (Dapps) – which provide anyone with access to the blockchain’s features and services. You will use Truffle IDE, smart contracts, a simple web client and a MetaMask client. You will learn about the architecture of a Dapp: the front-end client interface, backed by the blockchain and smart contracts. The course covers the basic design of a Dapp, Truffle development process and commands (init, develop, test and migrate), test-driven development of Dapp, Dapp application models and emerging standards that are essential for predictable Dapp behavior. Main concepts are delivered through videos, demos and hands-on exercises....

Principales reseñas


28 de dic. de 2019

it would have been nice if the instructor has included the instructions for truffle+ganache installation for local machine. Truffle works great on a native machine over vm! thanks!


28 de abr. de 2021

A very helpful course filled with practical knowledge on the way to become a successful blockchain developer, moreover when the open source material on this domain is abysmal.

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151 - 175 de 210 revisiones para Decentralized Applications (Dapps)

por Fara O

20 de abr. de 2022

good but too easy


20 de may. de 2020


por Satyam V

13 de ago. de 2021


por Umair U I

2 de abr. de 2023

The Dapp course is well-structured and the videos are of good quality. However, some resources are either not available or outdated, which can be a hindrance to learners. Additionally, the course seems to be based on outdated versions of Solidity and Truffle, which can lead to confusion and difficulty in implementing the concepts learned. Overall, the course is informative and well-presented, but it could benefit from updating the resources and providing more up-to-date versions of the required tools.

por Eyad S

22 de nov. de 2020

The course material was alright, but the exam at the end was miserable to pull off. I needed the file from the last course which luckily I still had in my Trash, and then when I fed it into this evaluator I got 18/20 for reasons unknown. Then it took forever to figure out the syntax used the test.js file, and truffle exceptions were of very little help. In the end I spent 30mins on the theory and 3hrs on the environment and making the grader happy. That's not purpose of the class/test.

por Francisco C

25 de sep. de 2021

The course is just OK. A lot of related links don't work and the quizes are still pretty useless. The code provided is outdated so it does not compile right away. Had to update truffle and change the compiler version (through config file) to make it work. The programming assignment again consists of some tasks where the solution is almost given to you. The tests of this assignment are kinda repetitve and not good tests over all since they check basic things and not the important ones.

por Philip H

22 de may. de 2021

This course was "ok" in my opinion. Its really a shame that Coursera does not have quality checks running to ensure course material provided in their courses are up to date. Throughout the entire specialization, many links where non-functional since resources where not available anymore. Nonetheless, the course provides a solid foundation for learning more about blockchain technology, in my view.

por Preston K

15 de nov. de 2021

The course material was great and covered very important information; however, I strongly feel that the projects for this class need to be updated considering the amount of work arounds I needed to use in order to keep up. Specifically it was difficult using metaMask with-in VirtualBox due to changes in UI, and this affected the success in deployment of our sample dapp.

por Vincenzo F

30 de ago. de 2020

The programming environment was not working, the software version was old, I struggled a lot to make test cases work due to environment inconsistencies. For the majority of topics we have just scratched the surface. The most interesting Module so far, but also the least valuable in terms of usability and level of information I gained.

por Alejandro V

7 de sep. de 2021

The course is fine but the practice exam give me a lot of problems to submit my test script. No matter what I try, the grader won't accepted. It took me almost 3 hours to figure it out what to do, despite the info already in the forum. I think the grader should be a little "smarter"

This turn out to be a very bad experience for me.

por Keary P

7 de feb. de 2021

Nice overview of Blockchain and Ethereum and practice creating decentralized apps from start to finish. Given the fast pace of Blockchain technology, many of the programs and libraries are outdated. I spent a lot of time re-coding for the latest libraries. It would be helpful if a moderator updated the materials.

por samin

30 de jul. de 2021

Course covers all the basics about Dapps and truffle. But the main concern is the some of the codes are outdated. Links are broken and there are changes in metamask which makes it difficult to follow especially if used in virtualbox. The course needs to be updated.

por Tyron J

11 de oct. de 2021

I would have given this course 1/5 stars because using VirtualBox gave me cancer and MetaMask didn't even work properly, but the concepts covered were really interesting so it's a pass.

por Anish A

4 de sep. de 2019

Truffle environment wasnt as easy as Remix to setup. Spent many days trying to use higher version of Truffle since Truffle init wasnt working at Truffle 4.0.4 version.

por Shubham G

14 de ene. de 2020

Course is god but it should be upgraded by now. Its almost 20months old course which used soidity 0.4.17 and current version of solidity is 0.6.0+

So kindly upgrade.

por Mauricio M P

1 de abr. de 2021

Good course content, but it needs an update because current solidity and truffle versions generate a lot of problems with the course documents and templates

por Christopher G

27 de sep. de 2018

Some of the videos were lower quality than the past courses and a few topics felt extremely rushed. I really enjoyed the courses before this one.

por Rohan M

18 de mar. de 2019

Sessions were good. Assignments were difficult considering that there was a version change. Did not get support on the questions asked.


8 de ago. de 2020

Core concepts are not explained well and it really focuses on introduction of different topics they do not explain them in detail.

por Jorge S

23 de sep. de 2018

Too much information poorly explained. Easy to overlook but impossible to really develop a real programming knowledge.

por Roshan K R

20 de jun. de 2020

Not easy to comprehend and explain in a very vague manner specifically dapps development and deployment.

por Kai Y M

31 de jul. de 2021

Final assignment Somehow too difficult for learners without prior knowledge in programming.

por shahar k

25 de jul. de 2019

a nice taste for decentralized apps, not technical enough, too easy, explained bad.

por Jerald W

31 de may. de 2021

Autograder can be a nightmare. Course content is seriously dated at this point.


23 de jul. de 2020

Not that good and not that bad Ok Ok course which needs to be updated.