Help figuring out if "AXBNG" application is legitimate

I have not used this app so cannot speak from experience but in the App Store, I see it has a rating of 3. One reviewer posted that, "in the middle of trading, the app disappeared and could not be reloaded." You might have better luck doing a general internet search to see what other people are saying.

Who referenced this app to you, and what are they claiming the app will offer? What are they themselves seeking?

Looking at the app store description, it has no references to cryptocurrencies.

Given the dearth of searchable references to this app, I’d find a better known app for any exceedingly speculative investments.

One of the very few references to this app has the following and quite incongruous description:

https://appadvice.com/app/axbng/6738829570