I have icard and flowbank, but not sure about max number of ibans. For daily use i think is better icard, flowbank are more oriented to investing.
Vivid lowered the max account to 3, and in paid versión i belive is still 5.
Not sure for a company, but ftx.us is not only for us citizens, i have a personal account and i'm from europe.
https://help.ftx.us/hc/en-us/articles/4417540969751-Institutional-Account-KYC
I recently had some operations of days back missing on the app, but total was accurate. May be that was the case you mention, if you dont remember a charge, but your total changed...
I asked by chat (works well and quickly) and they said me it was a known issue and it will be resolved soon.
I...