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Mar 3, 2019 at 19:35 comment added johnsmiththelird Thanks a lot guys! Especially @RenePickhardt Will structure my questions in the future much better
Feb 20, 2019 at 22:55 comment added Murch Mh, it was my understanding that the current concept of watchtowers didn't require the WT to know about the channel state. Rather they would just have a set of preimages that they would compare to any unilateral channel closings, to see whether they have the matching punishment. Since the punishment pays out the full amount to the punisher, I am not sure it would reveal the state–––– Ahhh... I see. The output of the punishment tx can only credit the amount claimed by the punished and thus reveals the channel balance?
Feb 20, 2019 at 21:46 comment added Rene Pickhardt couldn't see how you messed stuff up! thanks for your proof reading
Feb 20, 2019 at 21:43 comment added Rene Pickhardt well I think there is no standard for watchtowers as they don't become part of the protocol yet. So a potential watchtower could see every channel state that you have deducing all htlcs with all payment hashes and sees where traffic flows.
Feb 20, 2019 at 18:59 comment added Murch Also, I edited your answer which included amending a couple phrases, so please check whether I messed up something.
Feb 20, 2019 at 18:57 comment added Murch You wrote "Also keep in mind that the bigger issue with watch towers is that they might gather so much information about ongoing payments that the privacy of the lightning network is at risk.". It was my understanding that watchtowers are merely watching on-chain activity to respond with a blinded punishment transaction if they see an on-chain transaction that locks funds to a matching preimage. I don't understand how they would be able to diminish privacy in the Lightning Network. Could you please elaborate?
Feb 20, 2019 at 18:54 history edited Murch CC BY-SA 4.0
added 85 characters in body
Feb 20, 2019 at 8:42 history edited chytrik CC BY-SA 4.0
Fixed formatting
Feb 20, 2019 at 7:58 history answered Rene Pickhardt CC BY-SA 4.0