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101  Bitcoin / Mining / What's best for Deepbit is best for Bitcoin on: May 09, 2011, 12:40:01 AM
Observing now the hashrate distribution and knowing someone who sold their BTC because of the current distribution... it would seem in the best interests financially of both Deepbit miners and the Bitcoin economy as a whole if Deepbit were to branch out and 'de-monopolize'. I'm not sure exactly how these mining pools work. If Deepbit is using closed software which gives them an edge, I hope that their members have access to the code of that software... otherwise it is very damaging the the confidence of the entire BTC world and this will no doubt negatively effect the bottom line of the Deepbit miners.

Perhaps I'm a non-technical noob, but please let me know why this disparity exists.
102  Other / Off-topic / OpenTransactions - what's it good for? on: May 08, 2011, 06:09:53 PM
Hey,

I've been looking at OpenTransactions for a while and I'm still not getting why you would want to use it over a simple number in your database.

As I can figure, whenever you transfer a token, you have to register that with the central server to prevent a double spend.

If so then what's the purpose?

Thanks
103  Bitcoin / Development & Technical Discussion / Limit on transaction speed on: May 07, 2011, 12:33:22 AM
Hey,

I met a web designer guy who last night made a point about the number of transactions being limited because of the block size. I did some calculations. Can somebody confirm these numbers for me?

MAX_BLOCK_SIZE = 1000000 bytes

Average transaction = ~200 bytes (conservative lower limit)

Average number of tx per block = 1000000/200 = 5000

Each block has an interval of ~10 mins

that means 5000 confirmed tx / 10 mins OR 500 tx / min OR
8 tx / s

---------------

Visa must do thousands of tx a second or maybe more.
104  Bitcoin / Bitcoin Discussion / Dark pools - how do they work? on: April 29, 2011, 11:40:17 AM
Hey,

I want to add dark pools to Britcoin. How do the dark pools on MtGox work? They also have 'dark pool with normal' - what's that?
105  Economy / Marketplace / Wikileaks Donation Rally [200 BTC] on: April 26, 2011, 04:50:23 PM
OK,

17EoYD55TKto6Jk6R9jzQoFWuC6nMaXwYj

One that address either reaches 2k BTC or 1 month passes, then I'll try to get Wikileaks to accept the funds.

If they don't accept, then everybody will have their funds sent back to the originating address.
106  Bitcoin / Development & Technical Discussion / OP_TIMESTAMP in script on: April 24, 2011, 06:30:58 PM
Wouldn't it be cool to have OP_TIMESTAMP in script to get the current time in POSIX (or something else that lasts beyond 2038).
107  Other / Off-topic / MySQL table pointers on: April 22, 2011, 04:12:27 PM
Is there a way to have a field in MySQL that acts as a pointer to another table?

I want to have a bunch of different records with different fields but sharing some common ones.

common field A | common field B | pointer

then I could do:

SELECT mytbl ... JOIN POINTER(mytbl.pointer) ...;

Or do I need to have a VARCHAR(6) ident field and simply have a switch... case in my application that joins depending on which "other" table is needed?
108  Bitcoin / Bitcoin Discussion / Where is Bitcoin community biggest? on: April 21, 2011, 12:11:47 PM
Probably the US.

Which city is the best for Bitcoin users? Geographically in a convenient place.
109  Bitcoin / Development & Technical Discussion / bitcoind release repo doesn't fork on: April 19, 2011, 01:37:57 PM
tcatm had a fix for this a few months back. How come it hasn't been integrated in?
110  Bitcoin / Development & Technical Discussion / [PULL] bitcoind send genjix@foo.org 2 on: April 16, 2011, 07:16:56 PM
1. bitcoind -naming-password=hello
2. bitcoind publickey
> copy this output to clipboard
3. login to http://109.75.176.109
> paste public key and click 'Update'
4. add a new nickname
5. bitcoind updatename myname@109.75.176.109

Now someone else can run:

bitcoind send genjix@109.75.176.109 2

Your keypair for altering your nickname is stored in .bitcoin/keypair.rsa

Pull request: https://github.com/bitcoin/bitcoin/pull/164
111  Bitcoin / Development & Technical Discussion / bitcointools load wallet, print type+key+value in python on: April 16, 2011, 05:40:38 AM
I just get jibberish.

Code:
from bitcointools import util, wallet
from bitcointools.BCDataStream import BCDataStream
from bsddb import db as bdb
db_env = util.create_env()
db = wallet.open_wallet(db_env)
kds = BCDataStream()
vds = BCDataStream()
for key, val in db.items():
    kds.clear()
    kds.write(key)
    vds.clear()
    vds.write(val)
    type = kds.read_string()
    print type
112  Bitcoin / Project Development / The Bitcoin Manifesto on: April 10, 2011, 04:56:35 PM
From my friend Jaromil. I love this little speech:

Quote
hi Aharon,

On Thu, 07 Apr 2011, a...@aharonic.net wrote:

> bitcoins - isn't this simply a distributed structure to do
> capitalism with?

That's not even the worst you can do with it. you can do money
laundering, buy drugs online and sex toys, all anonymously.  but
that's not the point, because despite the coercion imposed by all
kinds of regulatory systems so far, also current official monetary
systems are full of that shit, on top of the capitalist pie.

Emerging technologies should never be judged by the sensationally bad
taste of early adopters. it's like being concerned about the shit that
fertilizes some beautiful flowers, wasting their seeds.

What really bitcoin is, I finally understood on the 6 april (which
somehow always ends up being a magic day, eh!): this is now the end of
the *flow capitalism*, which consists of the monopoly on transactions,
the hegemony of banks on the movement of values and not just their
storage, this middle-man mafia strangling the world as we speak.

How right are now those South American countries asking the "taxation
of transactions", an argument refrained in many speeches of the
companeros. They studied the system and understood that there is a
crucial problem there, that needs to be solved urgently. Yet i'd argue
here taxation on transaction cannot be the solution. The solution is
to eliminate the flow capitalists.

If i want to give you money i'll give it to *you*. me and you,
period. its fine that we'll pay our taxes for our communities, don't
get me wrong this is not a tea bagger argument. its just not right
that all what we do is in the hands of a third party, that has been
caught cheating already many times: look at what happened at the
paypal accounts of the Iraqi linux user group back in 2004, or even
more recently to Wikileaks.

We don't need those fat cheaters to be in between our value
transactions anymore; the flow capital has played its disgusting role
in the little laps of history for which it has been needed, now sadly
these people won't give up what they have accumulated, so it makes
more sense to leave them alone and multiply more monetary systems that
work efficiently across diverse networks and that rely on the
neutrality of a cryptographic authentication.

the death of the flow capital is a new stage for the necrotization of
capitalism.

 ciao

113  Economy / Marketplace / 2000+ BTC for development on exchange / bitcoin development on: April 08, 2011, 03:21:43 PM
We have $2k for development on Intersango, the exchange behind Britcoin. And potentially more.

This next 2 months, all that money and any more is assigned completely to bounties for developing the site.

We also have 800 BTC that we will be matching other bounties for Bitcoin development. The money we've received is for the exchange, but this is our contribution back to the community. We are looking into getting more funds hopefully for developers.

http://bitcoin.cz.cc

Anybody interested can join in our meeting on Skype tomorrow. We will run a shared screen session over SSH + skype voice chat + webcam feed. My Skype name is zgenjix.
114  Bitcoin / Project Development / This is Bitcoin's future in an image on: April 08, 2011, 01:55:17 AM
115  Bitcoin / Bitcoin Discussion / Best buy april fools bitcoin page on: April 02, 2011, 08:22:08 PM
taken down now, but visit google cache while it's still up:

here

116  Bitcoin / Development & Technical Discussion / bitcoind crash on: April 02, 2011, 04:28:38 PM
Today bitcoind locked up on my server and wasn't responding to errors.

Apart from saying 'bitcoin shouldn't crash', what kind of backup systems could exist to gracefully recover when Bitcoin locks up?

Not sure what can be done except calling an safety check hook which kills/restarts bitcoind. Ideally it'd be nice to run multiple nodes and switch between them freely (sharing the same wallets or having 'backup' nodes with a BTC store).
117  Bitcoin / Bitcoin Discussion / bitcoin logo on: April 01, 2011, 06:47:05 PM


Anyone got the highres verrsion of this? thanks
118  Bitcoin / Project Development / London Sunday meetup on: March 31, 2011, 09:28:11 PM
Kensington at 20:30

* Genjix
* Lumos
* Lyspooner

We're meeting up because they want to put down deposits on Britcoin.co.uk, but we will turn this into a general meetup if anybody wants to come along. Be good to swap notes & share projects.

Cya
119  Other / Off-topic / git question about weird trees when pulling on: March 31, 2011, 12:23:29 PM
My workflow working on my Bitcoin site is:
* Fetch encrypted database from server to localhost, unencrypt and load.
* Add new features to local machine & test.
* Push changes to gitorious (git push).
* Login to remote server and pull changes (git pull).

But my graph looks screwy:

Code:
*   d095816 (HEAD, master) Merge branch 'master' of git://gitorious.org/intersango/m
|\ 
| * 26810c9 (origin/master, origin/HEAD) force fixed precision in exchange rates SQL
* |   85590e6 Merge branch 'master' of git://gitorious.org/intersango/master
|\ \ 
| |/ 
| * 2cc7743 fixed conversion function to stop float rounding errors.
* |   f354456 Merge branch 'master' of git://gitorious.org/intersango/master
|\ \ 
| |/ 
| * f61ca2e changed exchange rate wording to reflect new alg.
* |   37af61e Merge branch 'master' of git://gitorious.org/intersango/master
|\ \ 
| |/ 
| * 08ec5ac fixed decimal places for exchanger.
| * ebc9a87 per nanotube's suggestion: switch buy to show sell rates & vice versa.
* |   607d762 Merge branch 'master' of git://gitorious.org/intersango/master
|\ \ 
| |/ 
| * 59080d5 per nanotube's suggestion, use best rate for calc rate.
| * 3996ad3 best rates go at the top.
| * 4a29854 reformatted exchange rate SQL.
* |   793fdf5 Merge branch 'master' of git://gitorious.org/intersango/master
|\ \ 
| |/ 
| * fdd322a Ability to cancel requests as well as stricter viewing permissions.
| * e140119 protect viewing orders from outside intruders.
| * 69d49b0 cast to string before comparison.
| * dbcb489 fixed typo preventing orders showing up
* |   083d928 Merge branch 'master' of git://gitorious.org/intersango/master
|\ \ 
| |/ 
| * 3770477 fix broken require path.
| * 7de5a0b moved into bank subdir. off by default to protected against user error.
* |   6341d52 Merge branch 'master' of git://gitorious.org/intersango/master
|\ \ 
| |/ 
| * 09e2947 withdrawal script to GBP bank.
* |   341c06d Merge branch 'master' of git://gitorious.org/intersango/master
|\ \ 
| |/ 

How can I fix that? On my local machine it shows:

Code:
* 26810c9 (HEAD, origin/master, master) force fixed precision in exchange rates SQL.
* 2cc7743 fixed conversion function to stop float rounding errors.
* f61ca2e changed exchange rate wording to reflect new alg.
* 08ec5ac fixed decimal places for exchanger.
* ebc9a87 per nanotube's suggestion: switch buy to show sell rates & vice versa.
* 59080d5 per nanotube's suggestion, use best rate for calc rate.
* 3996ad3 best rates go at the top.
* 4a29854 reformatted exchange rate SQL.
* fdd322a Ability to cancel requests as well as stricter viewing permissions.
* e140119 protect viewing orders from outside intruders.
* 69d49b0 cast to string before comparison.
* dbcb489 fixed typo preventing orders showing up
* 3770477 fix broken require path.
* 7de5a0b moved into bank subdir. off by default to protected against user error.
* 09e2947 withdrawal script to GBP bank.
* f066cf4 denominate all costs in terms of bitcoins.
* bdabf2d verification for bitcoin deposits are now instant.
* 4993f8c synchronise funds laying about.
* ee40599 actually perform query for real.
* ca1cf94 take command line argument.
* d170902 just to be safe.
* a82b1b1 stop it erroring on localhost.
* 5ff5220 actually perform bitcoin withdrawls now.
* de88367 verify only allows deposits.
* b90ec2b add to system in summa the unverified withdrawals.
* 50c2faa sub not add.
* dc719c1 improved summa algorithm
* c3e3ce9 moved missing function back out.
* 5988fe6 fixed missing function.
* 99c7d65 fix GMP problem behaviour.
120  Bitcoin / Bitcoin Discussion / 4chan discussing bitcoin on: March 28, 2011, 07:27:18 PM
http://boards.4chan.org/b/res/318924551#318925999

for you propaganda activists
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