This is really great and cool technology @danizaharie. There is no better way to simplify and slim down a wallet than to just get rid of it. Cardstack is an open source framework and consensus protocol that makes blockchains usable and scalable for the mass market creating a desentralized software ecosystem that can challange today's digital superpowers. Cardstack is building the solution for software market on the based of blockchain technology.
I really appreciate the your work on steemit. Your blog is very informative and useful.
Thanks for your efforts.