Nostr Web Client

Is there a reason not to put an ecash request as an extra field in a nostr profile? My thinking is that it would serve as a sort of lightning address for ecash. Clients that don’t support it would just ignore that field.

#asknostr

Dikaios1517 3w ago

Sounds superfluous. Ecash wallets send via lightning when the user is not in the same mint already, and typically can detect from the lightning address if they are in the same mint to send as ecash instead.

Ideally, users should not have to figure out whether they should send a transaction as lightning, ecash, liquid, or any other payment rail. Lightning should be the interoperability layer that is front facing, and everything else just happens in the background without the user needing to even know what is going on.

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Discussion

Student of Life 3w ago

That makes sense. You said, they can detect from the lightning address if they are in the same mint? Is there a such thing as a mint provided lightning address? Do you know where I can research this further?

Dikaios1517 3w ago

Most of the popular ecash wallets, such as minibits, provide a lightning address, and you use their mint by default. I believe any sats sent to that lightning address from outside of their mint would be converted to ecash from their mint, even if you have added other mints in the wallet.

The same would apply to lightning addresses from other mints, like cashu.me or npub.cash. Ecash sent to the lightning address from a different mint would first be melted and sent via lightning, and then minted as ecash from the mint that provided the lightning address. Ecash from the same mint that provided the lightning address would simply be sent as ecash from within the mint, though.

Student of Life 3w ago

FYI, I did some looking and I think the way Minibits does it is to just send a cashu token via DM and the wallet logic must parse the token and automatically redeem it.