Ecash travels through the NFC chip from device to device, not through the internet. The sender's phone doesn't to be online to pay, like with real credit cards.
It's insane privacy combined with incredible UX. The best of both worlds.
Tap to pay.
With Bitcoin. https://blossom.primal.net/3016a1988d5eaf44d4e707dad9b2d1efe409f0bf5dc3263d579a828cc69ac712.mp4
Discussion
Pardon my ignorance, but does it have to be from the same mint to stay offline?
nope, the receive can swap into their preferred mint
What's the best normie onramp to load up the Cashu app with sats if they don't have Bitcoin yet?