Please, if you could paste the complete link to the original source/article it would be great too.
I believe this is his source since he mentioned blockchainhub:
https://blockchainhub.net/decentralized-applications-dapps/source : blockchainhub
OP, next time do not fully copy paste an article in your post because you can get banned by doing so(if you always do it) even if you cited your source. If you will site a source, you would be better off using these codes to cite your source:
Code 1 at the start of the text from the source unparaphrased:
[quote]
Code 2 at the end of the text from the source unparaphrased:
[/quote]