cashu ecash is a custodial iou for sats on the ln node of the mint but the tokens are bearer assets on the device

it offers superior privacy over any other custodial LN solution

the "ecash" will typically be denominated as sats but can also be in usd

the mint can't rug an individual but could rug the whole mint

if users are on the same mint tokens can be sent out of band by dm, text, email for free

Minibits pays any ln invoice as well

there are certainly ways to zap self custodially but minibits has amazing product fit for nostr

send out your balance to redeem sats into self custodial ln channel on Zeus for example

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Ah, thanks, that was my confusion; I thought the ecash was the token being stored on the device. Didn't realize ecash was an IOU held by the mint operator. The way it's presented on the website is: "Ecash is a digital barer token that is stored on a user's device, very similar to physical cash."

https://docs.cashu.space/#