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41  Bitcoin / Development & Technical Discussion / Re: CoinJoin: Bitcoin privacy for the real world on: May 26, 2014, 10:33:59 PM
kinda sad darkcoin isnt implementing ring sigs
masternodes are coinjoin servers where miners must pay tax
i'm interested to understand how that differs to federated darkwallet gateways
still, all power to drk... 4th crypto now
42  Bitcoin / Wallet software / Re: DarkWallet Alpha3 Release on: May 25, 2014, 01:25:58 PM
Are you guys going to implement BitID? It's a protocol written to enhance the experience for users on website. Instead of login in with Facebook, they can now login with their Bitcoin Address. The project seems to be going pretty well, so it might be worth considering.

yes being worked on
43  Bitcoin / Development & Technical Discussion / Re: New Developer Documentation on bitcoin.org on: May 24, 2014, 11:11:03 PM
kewl beans
44  Bitcoin / Development & Technical Discussion / Re: sx command line utilities - Empower The Sysadmin With Bitcoin Tools on: May 23, 2014, 12:24:32 PM
libbitcoin has to be rebuilt with testnet support, so you need to make clean libbitcoin, and ./configure needs the argument --enable-testnet

I just looked, and the latest install script (with --testnet) wasn't uploaded. OK now I've re-uploaded it.

So redownload http://sx.dyne.org/install-sx.sh and see the help text.
45  Bitcoin / Development & Technical Discussion / Re: sx command line utilities - Empower The Sysadmin With Bitcoin Tools on: May 22, 2014, 02:17:59 PM
Hm, adding --enable-testnet to ./configure doesn't seem to be working. I did it for libbitcoin, obelisk, and sx. It is still giving me the following, which is the hash of mainnet genesis block. Yes I am sure I am using the correct sx binary.

Code:
~/sx/worker$ ../bin/sx initchain blockchain/
INFO: Imported genesis block 000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f

try:

$ make clean
$ make
...

it probably didn't rebuild the modules
46  Bitcoin / Development & Technical Discussion / Re: Are Stealth Address limited to one per transaction ? on: May 22, 2014, 10:43:41 AM
I think forcing people to use distinct ephemeral keys is a very poor design.

In the limit it doubles output sizes— and even on single output transactions it doubles the size since you would immediately need to include two just to make the change output indistinguishable, it would greatly expand the problematic side-channel bandwidth for non-bitcoin information which is intentionally limited in the current network behavior, and it makes the scanner's computation scale with the number of outputs instead of the number of transactions.


I've bench-marked this a lot and can do millions and millions of rows with no problems. I've documented my database design on the Wiki and it isn't complicated. Also there's several optimisation techniques that can be adopted.

The real problem is addresses in Bitcoin not sharing the same prefix (like stealth supports).
47  Bitcoin / Development & Technical Discussion / Re: sx command line utilities - Empower The Sysadmin With Bitcoin Tools on: May 20, 2014, 11:22:48 PM
try --enable-leveldb

also as per your question before, try installing under different users and configuring your environment variables accordingly (as install-sx.sh tells you).
48  Bitcoin / Development & Technical Discussion / Re: Are Stealth Address limited to one per transaction ? on: May 20, 2014, 06:16:58 PM
no, because you need sharding for different stealth address prefixes which is computed based on the metadata output. each output needs its own metadata.
49  Bitcoin / Development & Technical Discussion / Re: Stealth address : Crypto question on: May 20, 2014, 02:15:03 PM
you can also make an account and add the info for other devs.
I made an account there, but I cannot edit the article, nor any other I found there.
am I stupid and don't know how to use mediawiki, or what?
all I see is a "view source" button where I'd expect "edit"

piotr we have tons of spammers trying to attack the Wiki. Until we have a solution (working on it), PM me your nickname and I'll authorise you. Also you can PM me on Freenode IRC (genjix) in #darkwallet
50  Bitcoin / Development & Technical Discussion / Re: Article on Stealth Address and Two Factor Keys on: May 20, 2014, 02:07:41 PM
thx, really good intro to stealth. I've linked it:
https://wiki.unsystem.net/index.php/DarkWallet/Stealth#Links
will be pointing all the noobs there now rather than the dense wiki page.
BTW I'm on Freenode IRC #darkwallet
51  Bitcoin / Development & Technical Discussion / Re: Are Stealth Address limited to one per transaction ? on: May 20, 2014, 02:03:46 PM
thanks piotr, I clarified it on the Wiki

https://wiki.unsystem.net/index.php/DarkWallet/Stealth#Transaction_format
52  Bitcoin / Development & Technical Discussion / Re: Stealth address : Crypto question on: May 18, 2014, 03:00:22 PM
let me know what info needs to be added to the wiki. you can also make an account and add the info for other devs.
53  Bitcoin / Development & Technical Discussion / Re: Stealth address : Crypto question on: May 17, 2014, 01:17:23 PM
http://sx.dyne.org/stealth.html

About your question, see:

https://github.com/libbitcoin/libwallet/blob/master/src/stealth.cpp#L124

d + c should always be 32 bytes. It's the addition defined by secp256k1 which is modulo the p value.

See the sx command 'ec-add' to see what your results should look like.

Install globally:

Code:
$ wget https://sx.dyne.org/install-sx.sh
$ sudo bash install-sx.sh

Install locally (non-root):

Code:
$ wget https://sx.dyne.org/install-sx.sh
$ bash install-sx.sh usr/
54  Bitcoin / Bitcoin Discussion / Re: Dark Wallet: Let There Be Dark! on: May 15, 2014, 04:35:15 PM
As somebody else has already said. Its another 3rd party site.

Where are people getting this misinfo?

https://wiki.unsystem.net/index.php/DarkWallet/FAQ
55  Bitcoin / Bitcoin Discussion / Re: Dark Wallet: Let There Be Dark! on: May 15, 2014, 01:01:10 PM
Featuring an experimental identity system, and lots of improvements both on the frontend (browser plugin) and backend (gateway, obelisk and libbitcoin), we present Alpha 3:

https://wiki.unsystem.net/index.php/DarkWallet/Alpha3 <-- Detailed release notes
https://github.com/darkwallet/darkwallet/releases/tag/0.3.0
https://github.com/darkwallet/darkwallet/archive/0.3.0.zip


This is a major milestone since we're introducing our new identity system where now you can keep long term contacts and find them later in the crypto goo that is the stratum for our conversations, subject to change but valid for our current goals. Also big improvements in parsing stealth since that's now going to a background thread, and the gateway got some bug fixed that was making things very slow  should now be snappy also using our block explorer will be a new experience Smiley.

Best Regards!!
56  Bitcoin / Wallet software / Re: Introducing Hive, a beautiful new wallet for Mac OS X on: May 15, 2014, 09:00:05 AM
can't wait to try out the android wallet. you guys should add sending to stealth addresses.
http://sx.dyne.org/stealth.html
https://wiki.unsystem.net/index.php/DarkWallet/Stealth
57  Bitcoin / Bitcoin Discussion / Re: Basic Bitcoin Bitches on: May 14, 2014, 01:06:54 PM
Beautiful, smart and passionate. She understands Bitcoin more than the vast majority of people . Especially the second part touches on Bitcoin on a deeper level. Very interesting video.

Not to be a cynic, but did she actually write it though? A lot of channels seem to have their actual content written by men but will get a 'pretty face' just to front it etc. Unfortunately men tend to only click on youtube videos when they’re presented by a woman, usually with her cleavage out on display.

julia writes/films/edits her own stuff & is well read. here's her soliciting feedback for an article she's writing:
http://lists.dyne.org/lurker/message/20140509.173056.2bf2c33c.en.html
so in short, you're just a cunt.
58  Bitcoin / Development & Technical Discussion / Re: sx command line utilities - Empower The Sysadmin With Bitcoin Tools on: May 14, 2014, 11:16:24 AM
Because the old repo links haven't been fixed, I decided to take another look at the install-sx script. I fixed several bugs (the wrong repo links and sx always failing on Arch due to being run with python3), simplified the logic, and added a feature (you can now use a command-line switch to build and install the develop branches of the repos.)

Before I post it, I want to say, I am not the greatest at bash, and I did not test this. That means look it over before running it.

You can find it here: https://ottrbutt.com/tmp/wolf-install-sx.sh

OK, will you merge this with the latest version, and I will commit it to git for you.

Last changes (see veox):
https://github.com/spesmilo/sx/commits/develop

Download:
https://github.com/spesmilo/sx/raw/develop/install-sx.sh

BTW we have --develop switch now in install-sx.sh
59  Bitcoin / Bitcoin Discussion / Re: Finally, MT Gox database data linked to blockchain addresses on: May 14, 2014, 12:48:55 AM
very likely. opportunists.
60  Bitcoin / Wallet software / Re: Dark Wallet Alpha Specs and Discussion on: May 14, 2014, 12:47:11 AM
Make a testnet wallet. Get started with testcoins by searching startpage.com for "testnet faucet".

About Twister stuff: https://wiki.unsystem.net/index.php/TrollNet
It's planned and more: https://wiki.unsystem.net/index.php/Bitlaw
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