Re: [bitcoin-dev] Payjoin2swap: Enabling Payjoin Without Merchant Purchases

2019-04-22 Thread ZmnSCPxj via bitcoin-dev
Good morning list, I observe that if the Lightning Network supports: 1. Wumbo channels (>167.772215mBTC channels) 2. Dual-funded channels Then payjoin2swap is implementable using LN operations. Given two UTXOs V and W you want to transfer some value S from V to W. 1. Connect to an LN node on

[bitcoin-dev] Payjoin2swap: Enabling Payjoin Without Merchant Purchases

2019-04-22 Thread ZmnSCPxj via bitcoin-dev
Introduction Payjoin vs. Existing Equal-Valued CoinJoins --- Any non-equal-value coinjoin is easily solvable via [value sudoku](https://www.coinjoinsudoku.com/advisory/). Thus, common deployments of coinjoin use equal-value coinjoins. Equal-v

Re: [bitcoin-dev] Improving SPV security with PoW fraud proofs

2019-04-22 Thread Ruben Somsen via bitcoin-dev
Hi ZmnSCPxj, Allow me to reply to your post in mixed order (fraud proofs first): >But peers can be set up to allow you to hear of all chains while denying you >proof of the invalidity of some UTXO. I don't believe this is fundamentally different. In either scenario you end up on the wrong cha