Replying to Avatar calle

Just throwing it out there because it's one of the crazier ecash ideas: A crypto exchange but the trades happen peer to peer via ecash.

- Alice: deposit BTC to exchange, get BTC ecash

- Bob: same but USD, ETH, whatever shitcoin

- They trade BTC/USD ecash off-band (through nostr obviously), atomic

- Bob withdraws BTC, Alice USD
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Elephant in the root 1y ago

We only need to have fiat mints which support payments conditioned on HTLC/PTLC or support some sensible proofs of payment.

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