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dvdc | 27 days ago (raw) | root | parent | reply | flag +3 
 I'm working on it! https://sovereign.app/

We need auth in the cashu protocol, which we are working on now, to ensure only the people you want to use your mint can use it.
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pippellia | 27 days ago (raw) | root | parent | reply | flag 
 cool! Is the auth private, or do I need to sign something with a whitelisted npub?
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dvdc | 27 days ago (raw) | root | parent | reply | flag 
 It’s open; anyone can sign up! The app also lets you create a new nostr profile if you want to test it with something not connected to your main nsec.
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nielliesmons | 27 days ago (raw) | root | parent | reply | flag +1 
 Ooh 👀
Yes, auth seems to be the most straight forward solution indeed.
But as the mint custodian I'd like to be as blind as possible to who is spending what, when.
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dvdc | 27 days ago (raw) | root | parent | reply | flag +2 
 Good news. We’re working on a blind auth scheme. More details will be released soon. 🙂
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Tim Bouma | 27 days ago (raw) | root | parent | reply | flag 
 Awesome! Excited to see this!
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nielliesmons | 27 days ago (raw) | root | parent | reply | flag 
 Yes, that sounds exactly like what I need! 
Please, keep me posted sir 🙏 .
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nielliesmons | 27 days ago (raw) | root | parent | reply | flag 
 Is blind auth already a thing somewhere else?
I found this: https://blog.mutinywallet.com/blinded-authentication/

Also, could it apply to Relays (and other services) too?
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nielliesmons | 27 days ago (raw) | root | parent | reply | flag +1 
 This made my day sir, btw. 

Finally feel confident enough to design for this.