It says they have a patent pending. Even if the mortgage stuff doesn't pan out directly, the patent could be worth a lot to some company.
Another thing is that this looks like it could be a starting point for expanding into tokenizing other things. Usually that's how these Silicon Valley companies operate - start out with a niche then use the tech once proven to branch out to other areas. Hopefully they'll be tokenizng other (less controversial) financial instruments next.
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