Re: [bitcoin-dev] RFC for BIP: Best Practices for Heterogeneous Input Script Transactions

2016-05-19 Thread Kristov Atlas via bitcoin-dev
I've updated the language of the BIP. New version: BIP: TBD Title: Best Practices for Heterogeneous Input Script Transactions Author: Kristov Atlas Status: Draft Type: Informational Created: 2016-02-10 ==Abstract== The privacy of Bitcoin users with respect to graph analys

[bitcoin-dev] segwit subsidy and multi-sender (coinjoin) transactions

2016-05-01 Thread Kristov Atlas via bitcoin-dev
Has anyone thought about the effects of the 75% Segregated Witness subsidy on CoinJoin transactions and CoinJoin-like transactions? Better yet, has anyone collected data or come up with a methodology for the collection of data? >From this link: https://bitcoincore.org/en/2016/01/26/segwit-benefits

[bitcoin-dev] RFC for BIP: Best Practices for Heterogeneous Input Script Transactions

2016-02-10 Thread Kristov Atlas via bitcoin-dev
BIP: TBD Title: Best Practices for Heterogeneous Input Script Transactions Author: Kristov Atlas Status: Draft Type: Informational Created: 2016-02-10 # Abstract The privacy of Bitcoin users with respect to graph analysis is reduced when a transaction is created that merges inputs composed

Re: [bitcoin-dev] [Bitcoin-development] Reusable payment codes

2015-10-22 Thread Kristov Atlas via bitcoin-dev
The consequence of previous ECDH address proposals "not designing around current software" is a sustained ~70% of transactions reusing addresses, as you saw in my Reddit post recently. If you have a fear that an inferior proposal will gain popularity, you can always propose a superior one. If it's

Re: [bitcoin-dev] Named Bitcoin Addresses

2015-09-11 Thread Kristov Atlas via bitcoin-dev
I applaud your brainstorming efforts! :) But I dislike just about everything about this proposal. Bitcoin addresses should never be reused, for privacy and security reasons documented extensively online. I definitely do not want my computer to maintain a registry of every address in the world any

[bitcoin-dev] push tx fuzzing

2015-09-01 Thread Kristov Atlas via bitcoin-dev
I am interested in finding or writing a fuzzer for push tx APIs. I did not find one after a brief search. Has anyone found otherwise, or is she in the process of writing one? If not, what features would people recommend for a new push tx fuzzer? Endpoints I would like to test include: https://li

Re: [bitcoin-dev] Open Bitcoin Privacy Protect Privacy Questionnaire, Mid-Year 2015 report

2015-08-30 Thread Kristov Atlas via bitcoin-dev
Hi Wei, As you know, I'm not a developer of Bitcoin-Qt, but we'll need to make our best guesses for these answers if the developers won't reply. I'm going to post my best guesses here so that people reading the list have a short window of opportunity to correct me if they wish. On Fri, Aug 7, 20

Re: [bitcoin-dev] RFC: HD Bitmessage address derivation based on BIP-43

2015-07-01 Thread Kristov Atlas
Hi Justus, What are the potential applications for this BIP? -Kr On Jun 30, 2015 1:53 PM, "Justus Ranvier" wrote: > Monetas has developed a Bitmessage address derivation method from an > HD seed based on BIP-43. > > > https://github.com/monetas/bips/blob/bitmessage/bip-bm01.mediawiki > > > We'r

Re: [bitcoin-dev] [Bitcoin-development] [RFC] Canonical input and output ordering in transactions

2015-06-24 Thread Kristov Atlas
ps/pull/157 If there is market demand for it, a separate sorting key-based proposal could be written which can compete with this BIP and over time successfully deprecate it. I would currently envision that as an HD BIP with a new purpose code. -Kristov On Mon, Jun 15, 2015 at 12:01 AM, Kristo