A nostr-based peer to peer exchange is entirely possible. Might even be able to sort of get a hacky version of that out of my forthcoming project - Patron: "I want to buy sats for fiat, I have a credit card" - Arbiter/Escrow: "okay, I have a credit card processing app, I'll take your dollars and hold them" (maybe the Arbiter runs some ecash mints that make these kinds of swaps trivial) - Free Agent: "I'll sell some sats for that much fiat" (zaps this amount to Arbiter) - Arbiter checks everything, zaps the Patron, coordinates payment with the Free Agent, takes his small fee Of course this may be highly risky / illegal in a bunch of ways, and there are good reasons systems like RoboSats exist... But the basic, dangerous-mode mechanism could be easily supported by Nostr, and almost is already

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Basically agreed with everything you're saying there! @Boardwalk seems to be working on integrating bank/debit card payments right into their ecash wallet, which could subsequently be integrated into Nostr clients (nor NIP-60 maybe)... But I agree that "the most convenient UX always wins, broadly" even though that force has the unfortunate side-effect of sneakily entrenching "bad stuff" like centralization, custodians and rent-seekers. Got real deep real fast here, but I essentially see this small discussion as a shard of a much larger civilizational issue: can underfunded, principles-driven, decentralized islands build better "sovereign UXes" that outcompete (or at least keep pace with) hyper-(fiat)-funded, centralized organizations? In a nutshell, I think civilization and freedom depend on the freaks somehow pulling a win on this age-old battle. ...and unsurprisingly, I personally think Bitcoin is the ace in the sleeve of the freaks, if we can keep it (Benjamin Franklin style)