Re: [Lightning-dev] eltoo towers and implications for settlement key derivation

2019-12-04 Thread Christian Decker
That is correct, the chain of noinput/anyprevout transactions is broken as soon as the signers are online and can interactively bind and sign without noinput/anyprevout. Conner Fromknecht writes: > Good evening, > >> I didn't think this was the design. The update transaction can spend any >

Re: [Lightning-dev] eltoo towers and implications for settlement key derivation

2019-12-04 Thread Christian Decker
(I wrote this a couple of days ago but forgot to send it, sorry for that) Hi Conner, thanks for looking into this. I hadn't really thought too much about watchtowers while writing the paper, so there might definitely be things I hadn't considered. I fail to see where the watchtower needs to