The developer has discovered an attack vector on Wumbo channels
Lightning Labs developer Joost Jager described a micropayment network vulnerability that could lead to compromise of Lightning Network channels at low cost. Joost Jager said the Lightning Network could attack Wumbo payment channels, which allow for larger transactions on the network and increase transaction volumes. Prior to the addition of Wumbo Channels this summer, users could create channels with a maximum capacity of 0.1677 BTC – this limitation was made as a precautionary measure. Jager…