Re: [Lightning-dev] Griefing-Penalty: A proposal for mitigating Griefing Attack

2020-05-19 Thread ZmnSCPxj via Lightning-dev
Good morning Subhra et al, I am unsure whether you actually solve the Reverse-Griefing attack that the Griefing-Penalty enables. It seems to me that Reverse-Griefing is worse than Griefing, since it causes loss of funds already owned, whereas griefing only causes loss of opportunity to earn.

[Lightning-dev] Griefing-Penalty: A proposal for mitigating Griefing Attack

2020-05-19 Thread Subhra Mazumdar
Hi, We went through the discussion of Griefing Attack and after a thorough analysis, we realized that the attack cannot be prevented as the adversary doesn’t suffer any loss of funds. We propose an efficient

Re: [Lightning-dev] Miners Dust Inflation attacks on Lightning Network

2020-05-19 Thread ZmnSCPxj via Lightning-dev
Good morning Antoine, As well, I considered doing state machine shenanigans for this (do not sign for removal of HTLC in your outgoing channel until you have irrevocable removal of HTLC in your incoming channel) but this does not work since if you already have a miner willing to cooperate with