sure thing! Here in this article is a short explanation on how it works:

Stacker News

Chaumian E-Cash on Bitcoin: Banks in Cyberspace or Regulatory Capture? \ stacker news

Chaumian E-Cash on Bitcoin: Banks in Cyberspace or Regulatory Capture? Cashu is an open protocol enabling users to take advantage of Chaumian e-cas...

Here are some slides I made a while back, illustrating the process:

Ecash

there is also a simulator, if you want to know about the more technical details: https://numbnoot.gandlaf.com/ it doesn't display well on mobile though, so only visit the site on desktop