Re: [Lightning-dev] Paper: A Composable Security Treatment of the Lightning Network

2019-07-17 Thread Miller, Andrew
This is a really great question. You are totally right to notice that on-chain transactions are a difference between the real and ideal world and hence can lead to distinguishability... this is something we're actively working on clarifying for Sprites/SaUCy. To give a somewhat fuzzy answer of h

Re: [Lightning-dev] Paper: A Composable Security Treatment of the Lightning Network

2019-07-17 Thread Lloyd Fournier
Hi Orfeas, Thanks for formally modelling lightning and posting your paper here. I've taken a brief look at the paper so far. I am a UC novice and have no academic background so please take that into account when interpreting my comments. In general, I am glad that you are taking the approach to mo

[Lightning-dev] Paper: A Composable Security Treatment of the Lightning Network

2019-07-10 Thread Orfeas Stefanos Thyfronitis Litos
Hi all, The promise for fast, scalable, user-friendly and trustless use of bitcoin that the Lightning Network offers motivated us to author a paper where we formalize LN in the cryptographic framework of Universal Composition and prove its security. It can be found here: https://eprint.iacr.org/20