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Perhaps a video tutorial that can be easily viewed on their website would be a good idea to better guide newbies into using and navigating through the app/service. also, I just want to add that on their website they have something called "schedule a demo" From what I understand if you schedule a demo, one of their "professional Bitcoin wealth managers" will show you how to use "a completely decentralized custody suite to manage your Bitcoin.".
I totally agree with the idea of dropping some info hints or a video tutorial on their website – that could really help out the newcomers. Plus, considering this service is still in beta, they will probably make some UI improvements to make it smoother and more user-friendly. Betas tend to start a bit rough around the edges, but with user feedback, they usually get polished over time. So, chances are this platform will get even more user-friendly and attractive to a wider crowd as it evolves.
I believe they already have a step-by-step tutorial that will guide their client in creating the account. It can be found here:
https://safe.mixin.one/startThe site also has the add-on information on the same page through the Learn More link. I believe with the given step-by-step guide, the new client won't have a problem following the instructions except if the client himself has a comprehension problem. And there is where the support chat enters since customers can ask questions if they encountered any confusion or problem.