Unfortunately some "mentions" on social media doesn't prove the legitimacy of a project. Especially when it comes from a new created account...

Correct, but that doesn't necessarily mean it's not worth to look further. I just want to know why the almighty Justin Sun talk about this exchange

BitAsset was established since 2017 and is a Global exchange that is stong in the Asian community.
Now expanding to other regions.
I live in Asia and never heard about you (been involved in crypto since 2017 too). Maybe you're offering your services only to Chinese/South Korean/Japanese users?
Your article is a press release, I'd rather read detailed info about the team instead.
Btw what is this now? You will buy LEO on behalf of your users? You sure that's legally allowed?
https://link.medium.com/9PFsyhviwW