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@arcbtc arcbtc commented Jun 29, 2023

Nostr native, very simple credit/cash/cheque/token system so relays can offer minting/custodial services.

Not blinded by default, so not an ecash, but I imagine a relay could implement a blinded version.

A Nostr cash system should be versatile enough for clearnet/darknet bitcoin/shitcoin. Credits issued by "mints" will vary in quality and trust, but that's okay, users can demand certain mints, or certain payment types (such as bitcoin, where value can be redeemed immediately). Swap services will also emerge over time.

@arcbtc arcbtc changed the title NIP 88 Nostr Cash NIP-88 Nostr Cash Jun 29, 2023
arcbtc added 6 commits June 29, 2023 12:08
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@arcbtc arcbtc changed the title NIP-88 Nostr Cash NIP-88 WIP Nostr Cash Jun 29, 2023
@arcbtc arcbtc closed this Jun 29, 2023
@arcbtc arcbtc reopened this Jun 29, 2023
}
```

Relay responds with payment request, which user pays:
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Should use NIP-15 payment_options for consistency

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Yes! Great

@fiatjaf
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fiatjaf commented Jun 29, 2023

I don't understand why use this instead of Cashu, for example, which is already a simple protocol that seems to be battle-tested and used in some places.

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arcbtc commented Jun 30, 2023

I don't understand why use this instead of Cashu, for example, which is already a simple protocol that seems to be battle-tested and used in some places.

More because a nostr native ecash/whatever needs to be generic. Nostr is NOT bitcoin, despite them working so well together. I also worry about the type of mints you get if the electronic cash is blinded, and the regulatory issues they will have.

If Cashu can become generic in what the mint will accept, and the ecash can embed its own denomination that the wallet client can use, then I agree Cashu is a great idea (although blinded still worries me)

Co-authored-by: arthurfranca <arthur.a.franca@gmail.com>
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@cbrunnkvist
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cbrunnkvist commented Apr 22, 2024

Cashu

Link? Never heard of this. I suppose it's pronounced like "cashew" for maximum confusion? Google reveals several competing options:
Screenshot 2025-02-12 at 10 12 47

@arcbtc arcbtc closed this Jan 11, 2025
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6 participants