Re: [bitcoin-dev] Post-mix(coinjoin) usage with multisig and cpfp in bitcoin core wallet

2020-05-25 Thread ZmnSCPxj via bitcoin-dev
Good morning Prayank > I have explained the whole idea with a proof of concept in this link:  > https://medium.com/@prayankgahlot/post-mix-usage-using-multisig-and-cpfp-e6ce1fdd57a1 The article is not clear I think, so please confirm my understanding below. Participants: * "Peer 3" - Payee *

Re: [bitcoin-dev] hashcash-newhash

2020-05-25 Thread ZmnSCPxj via bitcoin-dev
Good morning Kari, > > > You mention ASICs becoming commoditized.  I'd remind you that eventually > > > there will be a public mathematical breaking of the algorithm, at which > > > point all ASICs will become obsolete regardless.  Would you agree it > > > would be better to prepare for this

Re: [bitcoin-dev] hashcash-newhash

2020-05-25 Thread Karl via bitcoin-dev
Hi Ariel, Thanks for your reply. You state that once "the entire world" can quickly find a hash that it then "needs to be changed", but that that "won't happen in a day". It sounds like you believe compromise of the algorithm as a concern provides a _lot_ of time to migrate to a new hash

Re: [bitcoin-dev] hashcash-newhash

2020-05-25 Thread Ariel Lorenzo-Luaces via bitcoin-dev
On May 24, 2020, 1:26 PM, at 1:26 PM, Karl via bitcoin-dev wrote: >Hi ZmnSCPxj, > >Thanks for your reply. I'm on mobile so please excuse me for >top-posting. > >I'd like to sort these various points out. Maybe we won't finish the >whole >discussion, but maybe at least we can update wiki

[bitcoin-dev] Design for a CoinSwap implementation for massively improving Bitcoin privacy and fungibility

2020-05-25 Thread Chris Belcher via bitcoin-dev
=== Abstract === Imagine a future where a user Alice has bitcoins and wants to send them with maximal privacy, so she creates a special kind of transaction. For anyone looking at the blockchain her transaction appears completely normal with her coins seemingly going from address A to address B.

Re: [bitcoin-dev] hashcash-newhash

2020-05-25 Thread Karl via bitcoin-dev
Hi ZmnSCPxj, We have been addressing many concepts. Let's try to slowly trim it down for simplicity. > Reddit claims two entities controlled 62% of the hashrate recently: > https://old.reddit.com/r/CryptoCurrency/comments/gmhuon/in_the_last_24_hours_bitcoins_nakamoto/ > . Compromising the

Re: [bitcoin-dev] Post-mix(coinjoin) usage with multisig and cpfp in bitcoin core wallet

2020-05-25 Thread prayank via bitcoin-dev
Hello ZmnSCPxj, Thanks for the feedback. 1. Peer 1 doesn't need to be a trusted third party, it can be implemented in a way that some peers involved in this system can provide liquidity for others and incentives can be a small fee. 2. Yes joinmarket is awesome and its payjoin will be

Re: [bitcoin-dev] Post-mix(coinjoin) usage with multisig and cpfp in bitcoin core wallet

2020-05-25 Thread ZmnSCPxj via bitcoin-dev
Good morning Prayank, > 1. Peer 1 doesn't need to be a trusted third party, it can be implemented in > a way that some peers involved in this system can provide liquidity for > others and incentives can be a small fee. It is not clear in the article, but you mention using a 2-of-3, and show 3