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Learner Reviews & Feedback for Decentralized Applications (Dapps) by University at Buffalo

4.5
stars
1,158 ratings

About the Course

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....

Top reviews

SR

Dec 28, 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!

AM

Apr 28, 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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201 - 222 of 222 Reviews for Decentralized Applications (Dapps)

By Roosevelt S

Feb 27, 2022

Alot of the content is good but alot of the files came with errors which took hours to find the root of as someone new to the space. There were also very resources on how to debug.

By William C

Dec 12, 2021

While the core concepts are generally solid, the material is pretty dated. If you don't care about the certificate you are better off going through CryptoZombies.

By Vlad S

Feb 20, 2021

The process of developing a DAPP was superficially explained. You gain almost no hands-on experience at the end of this course.

By Kurt G

Mar 23, 2021

Spent many frustrating hours troubleshooting due to outdated versions of referenced software. Badly in need of updating.

By Welborn M

Jul 6, 2019

This course has many missing points not clearly specified flow. Still one can learn through own research.

By Personal M A

Oct 24, 2018

The software behind Ethereum is immature. Should not be even allowed in beta release.

By Yousif A

Apr 7, 2021

This course is getting outdated

By Sacsham A

Jan 19, 2020

not very informative

By Tom

Dec 28, 2021

The course content is ok, but the final project cannot really be finished if you follow the course description. It requires quiet a lot of work to actually make it run as the provided VM is hopelessly outdated. Basically there is no support from the instructor/mentors and if some people in the community wouldn't have taken it upon themself to help via the forum it would be impossible to finish the course.

By Adam S A

May 24, 2021

Almost all of this course is out of date and deprecated. The discussion forums are full of students begging for help and trying to come up with work-arounds for the old code. I decided to not finish the specialization at this point, which was disappointing, since I enjoyed the first two courses in the specialization.

By Ian W

Feb 13, 2022

The material is very outdated and most of the provided code doesn't run anymore. You spend more time trying to update the Virtual environment, or the provided source code samples, or the NPM packages than actually learning the content. It's frustrating - I cannot recommend this.

By Leandro T

Jan 15, 2023

This course is very outdated and must receive updates to be relevant again, the professor is very shallow on the approach, several links are broken and the programming assignments are broken as well, I did not learned a lot from it and do not recommend.

By Deborah O

Mar 4, 2023

The simulations are the worst. The materials regarding the tools and IDE used needs to be updated removing all errors. The no response when questions are asked are also a great concern. Truffle nor MetaMask never run in my environment.

By Anthony A

Sep 5, 2020

Completely inadequate explanation as to how to set up the environment, truffle etc. Lectures far too short. Completely confusing resource materials. Nothing works. Flying blind.

By Việt A T

Jul 18, 2021

The course's demo video on Metamask extension is outdated. No instructors or TAs came to the discussion forums to help on the outdated problem with Metamask's chain ID.

By Anton P

Jul 22, 2020

Many issues with the provided code/Truffle set up. This needs to be updated. Good references to external websites though.

By Masakazu E

Feb 27, 2022

To be honest, this course is not recommended. You should do tutorials of official ethereum documents.

By Arvin E

Jan 25, 2022

Course material is outdated.

By Phil S

Jul 12, 2021

Very out of date for 2021.

By Igor L

Dec 1, 2023

Outdated and no assistance

By Alfonso R

Aug 30, 2022

Bad in many aspects.

By matteo b

Sep 15, 2021

No support