From jajomojo at gmail.com Thu May 6 15:00:36 2021 From: jajomojo at gmail.com (=?UTF-8?B?SsOhbiBTw6FyZW7DrWs=?=) Date: Thu, 6 May 2021 17:00:36 +0200 Subject: [Lightning-dev] On Mempool Funny Games against Multi-Party Funded Transactions In-Reply-To: References: Message-ID: Hi Antoine, On Thu, May 6, 2021 at 3:44 PM Antoine Riard wrote: > In this post I would like to highlight some DoS attacks against > multi-party Bitcoin protocols during their funding phases. Recent > discussions around DLC funding flow [0] and dual-funding of LN channel [1] > remind me that some timevalue DoS/fee inflation issues are common to any > multi-party funded transactions. I'm not sure how much developers meddle in > that kind of protocols/applications are aware of them and how well they > mitigate against them. > two days ago I tried to open a dual-funded channel and yesterday my C-Lightning node started crashing. Have a look at https://github.com/jsarenik/clightning-dual-crash-logs as I think it may be related to the DoS you mention. If it is related, let me know and I can provide all the details. Thank you! Best regards to all! Jasan -------------- next part -------------- An HTML attachment was scrubbed... URL: