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0 sats \ 3 replies \ @OT 30 Nov \ parent \ on: Analyze JoinMarket Bitcoin CoinJoin transactions using ILP. bitcoin
In Jam the change is always separated from the CJ output.
I actually just wanted a way to analyze transactions to gather stats on the fee limits used and optimize maker offers.
Negative offers might be the way.
The other idea is to find ways to make change outputs ambiguous on purpose so that they gain some privacy as well and economize the coinjoin a bit more.
I saw Floppy comment the other day on Joinstr about the change being submarine swapped into the LN channel.
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0 sats \ 2 replies \ @m0wer OP 1 Dec
Optimize maker offers in terms of maximizing profits, not in number of rounds.
Change can also be mixed in coinjoins. There's actually a setting for consolidating change as a maker by providing multiple inputs. The alternative is of course the submarine swaps yes, but usually pretty expensive.
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0 sats \ 1 reply \ @OT 1 Dec
A submarine swap would be cheaper than paying for a number of CJ participants. The TX fee is already for too.
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0 sats \ 0 replies \ @m0wer OP 1 Dec
Depends on the size, but most times yes.
But I meant as a maker, where a taker pays the extra transaction fees from the additional inputs. So you get the consolidation for free (or even making some profits), you help the taker disguise their inputs, and you get a proper equal output.
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