Big movement forward in general, however, the BIG question is how do you deal with fiat in “banks”? The only downside I see is being a seller and receiving “dirty fiat”. And this happened to various people I know (many times with Revolut) -> flags, delays, explanations, investigations, even freeze. I got the benefit of zero trust, privacy, on one side. On the other “fiat side” nothing changes and still has same downsides (when receiving fiat -> counterparty risk). To solve the fiat “freezing/investigation” downside there’s honestly just one option (it costs POW - time, effort, physical location, etc..) and that is physical P2P via @npub1mftv...rkl3 . With digital fiat involved it is just a partial solution and it is important to count with “digital fiat” drawbacks.

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I agree, it is true. Or even worse. For example I was investigated by Revolut for a normal, definitely not dirty transaction. What if it is really dirty? I also prefer P2P and cash. But as long as people prefer electronic payments (look even at @npub1mftv...rkl3 - many are "send me to revolut"), this will have utility. But it will have utility also beyond this. Imagine for example instant release of collateral when you repay a loan. You have contract (Firefish), all is good, they would release the collateral manually, but now it would instant, you don't have to wait for anyone. Or imagine onboarding to Cashu, or some Nostr wallet peer to peer. You send someone - not the Cashu / wallet operator some fiat and you get Bitcoin/cashu tokens instantly. No third parties, no fees, no KYC(!) by a centralized entity. It is not anonymous, but there is no central entity collecting your identities.