Re: [bitcoin-dev] Fwd: (Semi)Traceless 2-party coinjoin off-chain protocol using schnorr signatures

2020-04-30 Thread Chris Belcher via bitcoin-dev
Hello ZmnSCPxj, On 30/04/2020 09:54, ZmnSCPxj wrote: > Good morning CB, > > >> Equal-output-coinjoins and JoinMarket also have a version of the >> common-input-ownership-heuristic (CIOH), because its often possible to >> separate the inputs into sets of their owners of a equal-output-coinjoin

Re: [bitcoin-dev] Sorting outputs of a transaction in alphabetic order to protect privacy

2020-04-30 Thread Pavol Rusnak via bitcoin-dev
https://github.com/bitcoin/bips/blob/master/bip-0069.mediawiki -- Best Regards / S pozdravom, Pavol "stick" Rusnak CTO, SatoshiLabs On Thu, Apr 30, 2020, 10:21 SatoshiSingh via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > Hi list. I've been a lurker for quite sometime and this

Re: [bitcoin-dev] Fwd: (Semi)Traceless 2-party coinjoin off-chain protocol using schnorr signatures

2020-04-30 Thread ZmnSCPxj via bitcoin-dev
Good morning CB, > Equal-output-coinjoins and JoinMarket also have a version of the > common-input-ownership-heuristic (CIOH), because its often possible to > separate the inputs into sets of their owners of a equal-output-coinjoin > using the input amounts. CoinSwap can be combined with

[bitcoin-dev] BIP-341: Committing to all scriptPubKeys in the signature message

2020-04-30 Thread Andrew Kozlik via bitcoin-dev
Hi everyone, In the current draft of BIP-0341 [1] the signature message commits to the scriptPubKey of the output being spent by the input. I propose that the signature message should commit to the scriptPubKeys of *all* transaction inputs. In certain applications like CoinJoin, a wallet has to

[bitcoin-dev] Sorting outputs of a transaction in alphabetic order to protect privacy

2020-04-30 Thread SatoshiSingh via bitcoin-dev
Hi list. I've been a lurker for quite sometime and this is my first post. The problem I'm addressing is that generally wallet devs construct the tx with the 2nd output being of the sender as change. This helps chain analysers to identity addresses and invade the users privacy. I'm suggesting