[bisq-network/proposals] Bisq 2.0 - A simplified DEX (working title Sisq) (#331)

[chimp1984]

Adding a refund to seller option would also allow a loan or future/option trading.
Alice wants 50k USD loan for a 1 BTC collateral for an agreed time period. Alice has to pay back the 50K at that expiration date or Bob will take the 1 BTC.
Alice lockes up 1.1 BTC and Bob 0.1 BTC to a MS.
Bob sends 50K USD to Alice.
After expiration date Alice pays back 50k USD to Bob and both unlock the MS and both get refunded their collateral.
OR:
If she does not send back the USD she unlocks the MS so that Bob gets the 1 BTC and both get back their 0.1 BTC security deposit (Bisq trade path).

This model could be used for multiple out of band trades back and forth. But I doubt there is much use case as its limited to a fixed trade pair. If the keys for the MS would be tradeable/transferable it would work, then traders can trade the option contract, but that cannot be done in secure way without making an on-chain tx with signatures.....

  
 

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