Fabian

The library works in the browser only. Checkout @cosmjs/launchpad for a more versatile library.

I would have likes to discuss this before implementation

I can look more into this, but you replicate a lot of the logic of https://github.com/luniehq/cosmos-api which you may want to fork instead of creating all the structures and signing...

If you could create a PR that would be amazing! Very interested in the approach.