Re: [Lightning-dev] Improving the initial gossip sync

2018-02-21 Thread Fabrice Drouin
On 20 February 2018 at 02:08, Rusty Russell wrote: > Hi all, > > This consumed much of our lightning dev interop call today! But > I think we have a way forward, which is in three parts, gated by a new > feature bitpair: We've built a prototype with a new feature bit `channel_range_queri

[Lightning-dev] Privacy issues with proof of payment

2018-02-21 Thread Corné Plooy via Lightning-dev
Hi, I am a bit concerned with the privacy implications of having either a signed invoice + pre-image, or possibly a more powerful proof-of-payment mechanism. In particular, I am concerned that it might provide cryptographic evidence to the buyer that a certain seller performed the transaction, an

Re: [Lightning-dev] Proof of payment (Re: AMP: Atomic Multi-Path Payments over Lightning)

2018-02-21 Thread Anthony Towns
On Tue, Feb 13, 2018 at 09:23:37AM -0500, ZmnSCPxj via Lightning-dev wrote: > Good morning Corne and Conner, > Ignoring the practical matters that Corne rightly brings up, I think, > it is possible to use ZKCP to provide a "stronger" proof-of-payment in > the sense that Conner is asking for. I thi