Re: [Lightning-dev] Improving Payment Latency by Fast Forwards

2021-05-23 Thread Lloyd Fournier
Hey Z, Thanks for your analysis. I agree with your conclusion. I think the most practical approach is the "ask first" 3 round protocol. Another option is to have `remote_penaltyclaimpubkey` owned by the node instead of the hardware device. This allows funds to accrue in the fast forward state

Re: [Lightning-dev] Improving Payment Latency by Fast Forwards

2021-05-23 Thread ZmnSCPxj via Lightning-dev
Good morning list, Note that there is a possible jamming attack here. More specifically, when "failing" an incoming HTLC, the receiver of the HTLC sends its signature for a transaction spending the HTLC and spending it back to the sender revocable contract. The funds cannot be reused until the

Re: [Lightning-dev] Improving Payment Latency by Fast Forwards

2021-05-23 Thread ZmnSCPxj via Lightning-dev
Good morning list, I have decided to dabble in necromancy, thus, I revive this long-dead thread from two years ago. Ph34R mE and my leet thread necromancy skillz. A short while ago, LL and Steve Lee were discussing about ways to reduce the privkey onlineness requirement for Lightning. And LL