I think this is fucking cool.
I need to learn cashu inside and out, but don't know where to start.
Been playing with the cashu-ts library, and have built an updated version of Cashu Redeem that works with v4 tokens and gives "change".
It lets you redeem a Cashu ecash token and get paid to your lightning address.,, just like paying cash into a bank account.
You can also use this tool to pay a lightning invoice using ecash, with change returned as a new ecash token.
Let me know what you think!
https://www.nostrly.com/cashu-redeem/
#bitcoin #nostr #cashu #ecash #privacy #zaps
Discussion
Glad you like it! I started by going through the info at cashu.space.
Then I checked out numbnoot by Gandlaf, which gives a great interactive overview of how it all works: https://numbnoot.gandlaf.com
Then I started diving in to the cashu-ts library, but if you are not a developer, then probably the good next steps are:
1) Register an Nostrly or npub.cash nickname, use it as your Nostr Lightning address. That way your zaps will appear as Cashu tokens.
2) You can then withdraw the tokens to a wallet, like Cashu.me. Or use my tool to send them elsewhere as needed.
3) If you use Cashu.me, you can then connect it back to your Nostr client using NWC.
That way, you can play with receiving, holding and spending / xapping with ecash. You can even send ecash tokens to people by DM or email.
Ecash is cool 😉