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

[bitcoin-core-dev] Bitcoin Core 0.18.0 release candidate 4 available

2019-04-22 Thread Wladimir J. van der Laan via bitcoin-core-dev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Binaries for bitcoin Core version 0.18.0rc4 are available from: https://bitcoincore.org/bin/bitcoin-core-0.18.0/test.rc4/ Source code can be found in git under the signed tag https://github.com/bitcoin/bitcoin/tree/v0.18.0rc4 This is a

[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.

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