On the surface, they appear to be a legitimate company based in California... By legitimate, I mean that they appear to be a properly organized California corporation that is probably set up to function as a custodian of IRAs. Whether their crypto platform is safe and secure, and whether you will get decent trading and execution, is a completely different question. And I did not look at the fees. To be an IRA custodian, they have to meet certain requirements under federal and state law. But one would have to do further research to determine what kind of protection you would have if they became insolvent, or if the crypto platform was hacked... BMK
As far as I know, they are legitimate. But personally, I have not used them. I have only heard people talking about them.