There seems to be a lot of different decentralized application platforms on the market right now. I'm not sure what makes Lisk any different from the likes of Expanse, Stellar, or NXT. I downloaded the Lisk wallet to check out the user interface and other qualities about the platform and it was somewhat rudimentary. In my opinion, NXT has a much friendlier UI. It is also the platform on which Ardor is coded.

What is the difference between the Lisk "side-chain" and the Ardor "child-chain"?

Good post though.