It&#x27;s an interesting take on the problem, tracking who has bought what - and for how much - through block-chains, opposed to having it stored in a database.<p>I think it would be a bit hard to use for your average user though with the current state of block-chains, we&#x27;re working really hard to make the sign up and transactional steps as easy and painless as possible. And it would have to be managed through a platform somehow.<p>But we&#x27;ll definitely keep an eye on how they get along with Mycelia, thanks a lot for pointing it out!