Still super-early and in still in stealth mode - this is my project nostr:npub167xl6jq2hm6h76zs588gf5cqspqe089qah2f9kjyu35jkc9gmx8qh5vah5 which I hope to have ready for field testing for nostr:npub1h493d0qgwhu95s82zd9sxrt3ckn3ttgvaf04z02neckadxw5fkvqte4cwz in Madeira. It's an ecash-native payment system integrated with Lightning and using cashu under thr hood built by nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg
If you want to give it a while, please follow nostr:npub167xl6jq2hm6h76zs588gf5cqspqe089qah2f9kjyu35jkc9gmx8qh5vah5 and DM me for an invite code.
