In case you lose your Bitfi device and want to retrieve your actual private keys to unlock your cryptocurrency funds, Bitfi supplies these downloadable programs that allow you to do that. If you plan on using Bitfi, download them for backup now. That way you already have them if the company were to disappear. All of their technology is open source, so you can verify that there isn't any shady business. If you still have doubts, reach out to the team yourself. They're very responsive!