When we looked at cfs.projectcarmen.com, the first thing we noticed was that there's nothing to see. The homepage just says 'Provider Not Set' and the site returns a 400 error — it's not serving any actual content. That alone makes it impossible to verify what this site is supposed to do.
For any site you'd consider handing information to, you need to know who's behind it. Here, the WHOIS record shows no owner details at all, there's no about page, no contact information, and no social media accounts. There's also no history in the Wayback Machine, so the domain appears very new.
Is cfs.projectcarmen.com a scam? There's not enough evidence to call it that specifically, but there's also no evidence it's a real, operating business. The safest move right now is to steer clear until the site actually works and publishes some basic identifying information. If you've seen this domain linked somewhere, treat any unsolicited approach with strong skepticism.