This is really good explanation, I’d like to add that cashu is the money. To clarify, when we use onchain funds, then our “wallet” does not hold any coins. Instead wallets actually only sign coins (utxos). On the contrar, mints who issue cashu literally provide you the money. So it’s as if you receive a dollar bill from them, therefore you can store it wherever you like. However, if you want to spend that exact bill, t hen only the same mint that originally issued the cashu will redeem it, because they blind signed it in the first place. So despite the cashu being the money (a bearer token), users still have to trust a mint for them to spend it it the future. Luckily, the cashu project is already working on proof of reserves and other features, similar to those that nostr:npub1r0rs5q2gk0e3dk3nlc7gnu378ec6cnlenqp8a3cjhyzu6f8k5sgs4sq9acpointed out, like swapping tokens between mints or not trusting only one mint, or only trusting a mint run by a local community
A question for nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg
I think ecash should be treated as cash - you never want to carry too much of it around, and certainly not store it with a custodian.
I imagine a mint can take all the nuts if it wants to just by shutting down, this is why it would be important to have trusted mints, perhaps mints tied to trusted clients (popular client having its own mint).
If possible, you'd rotate which mints people are assigned as they join so you don't have a concentration in a handful (make the rug less painful).
But for the most part, it would be on the part of the UX designer to ensure people know not to keep any significant nut stash for too long with a custodial mint.
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