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2721  Bitcoin / Bitcoin Discussion / Re: Public Key Infrastructure on: February 09, 2011, 07:09:14 AM

Anyway, I think it would be very cool if we could use this to log into this forum.   But I guess cookies do pretty much the same job.
2722  Bitcoin / Project Development / Re: Creating buzz about bitcoin on linkedin on: February 09, 2011, 06:18:06 AM
I just logged into my linkedin account first time in ages, looked at my connections network and got an idea...

There are quite a few of well "connected" people here with surely a large number of smart, active and influential individuals in their linkedin networks. Imagine what kind on effect would we create collectively if we all update our profiles with some information about our bitcoin projects etc...

Any thoughts?

I doubt there are many well "connected" people on this forum.  Bitcoin is way too underground to be of any interest for the establisment.  They just don't have time to wander on the net and to find it by chance.

Personnaly I'm almost certain I would never have discovered bitcoin if I had kept my previous job.   Or I would have discovered it in the same time than everyone, only once it is discussed in mainstream media.


IMO
2723  Local / Petites annonces / Re: Vente de bitcoins dans un parc à Paris on: February 08, 2011, 10:20:23 PM
Bonjour,
l'idée est cocasse. Je ne peux pas les trois dimanches qui viennent, mais à partir de début mars, j'irai faire un tour au marché à tout hasard ! En plus, ce sera l'occasion de faire connaissance, c'est assez chouette.

Je ne pense pas qu'il soit opportun de dévoiler l'endroit exact où auront lieu les transactions.  Ne seront au courant que ceux qui auront négocié en MP ou par mail.


Pour la vente, j'envisage de créer des comptes mybitcoin sur lesquels je mettrai les montants négociés.  Je donnerai alors un bout de papier avec les login/mot de passe.  Il appartiendra alors à l'acheteur d'utiliser son terminal pour vérifier le compte en question, et les transférer sur une de ses adresses.

Cette méthode permettra de ne pas avoir à apporter un terminal sur lequel se trouverait le portefeuille complet.
2724  Bitcoin / Development & Technical Discussion / Re: Crap, I reformatted, did I lose my BTC? on: February 08, 2011, 05:48:24 PM
Switch this computer off right now (hard switch off: you want to avoid any writting on the disk) and use an other computer to search for "recover formated data" on the web.
2725  Bitcoin / Bitcoin Discussion / conjecture about proof-of-work and cryptocurrencies on: February 08, 2011, 05:33:55 PM
As you know many people don't like the idea of using CPU power in order to make so-called "useless" computations.

I suspect it is possible to rigorously prove that any cryptocurrencies, providing it fulfills a few conditions, has to be based on proof-of-work, and thus on CPU.

So far I can't prove it seriously, so it is just a conjecture.    I'd be glad if someone with a solid maths and IT background could bring a demonstration.

So it would look like:

Quote from: grondilu
If a cryptocurrency respects the folowing criteria:

* it doesn't discriminate any node of the network ;
* the initial monetary amount available in the network is zero (apart from the genesis block) ;

Then at any time, the probability of generation of a new monetary unit for any node is proportionnal to the CPU of this node.


Obviously this relies on a theoretical, more general definition of "cryptocurrency".  I won't give such a definition here but I guess you get the idea.
2726  Bitcoin / Project Development / german presentation about youtipit and bitcoin on: February 08, 2011, 05:20:55 PM

Found it by chance on the web:

http://www.youtube.com/watch?v=fJTMr_ofgr0


I'm glad some people have real logistics to talk about bitcoin.
2727  Local / Petites annonces / Re: Vente de bitcoins dans un parc à Paris on: February 06, 2011, 11:45:54 PM
Commencez par placer vos ordres dans cette file.

Moi pour dimanche prochain je peux acheter jusqu'à 100 BTC à 0.5 EUR/BTC.

Je ne vendrai pas à moins de 0.7 EUR/BTC par contre.
2728  Economy / Marketplace / Re: Torservers - Free Anonymous Uncensored Internet for Everyone on: February 06, 2011, 07:03:03 PM
hehe, I don't like the idea of paying for anything, I always prefer "free stuff", but you know, there's no such thing as free lunch. Wink

Hum, I don't think it's that simple.  I'd be very unhappy if I had to pay for email, for instance.

The thing is that I think anonimity should be part of Internet provider service.  They are legally forced to montitor and log all IPs they assign.  So with TOR you would pay to counter the law.  I hate this idea.   If I must pay for something that would be free without a stupid law, then I'll go broke very quickly.   Writing a stupid law doesn't cost much.  And if it does cost, you'l finance it by stealing people anyway.  I can't fight against that with money.  Fighting against laws should be free.


2729  Economy / Marketplace / Re: Bitcoin2CC - Convert Bitcoins into a Virtual VISA Card Instantly! on: February 06, 2011, 06:50:04 PM
Same here. I want to test your service out!

I really think that at least some of the cards should be sold on an auction based system.

That's one good thing about markets: it can handle shortages.  I mean, when there are few resources, prices have to rise.  This allows to ration the ressource, and allocate it to people who need/want it the most.

At least, prices should increase when stock decreases.  Thus anybody could buy at any time, providing that he is willing to overpay.


2730  Economy / Marketplace / Re: Bidddingpond.com BETA 50BTC Listing Credit for Free! on: February 06, 2011, 05:40:26 PM

My first impression:

the frog is much cuter Wink
2731  Economy / Marketplace / Re: Torservers - Free Anonymous Uncensored Internet for Everyone on: February 06, 2011, 05:33:42 PM
There is no single point of donation, but still, monetary rewards would really create stronger incentives for people to make their bandwidth available. And I think it's feasible with bitcoins.

On second thought, I'm not sure it's that a good idea.

First, it would be tricky to implement.  I don't say it's not possible, but I guess it would be an entire project.

Second, bandwith is actually some kind of "money" which is exchanged on the TOR network.  Basically the incentive to give their bandwith would be some bandwith.  I mean that you give some bandwith and you get some bandwith on the TOR network.  Well, sort of.  But again I don't know well enough how TOR works, so I can't discuss seriously about it.

Anyway I don't like the idea of paying to use TOR.  We already pay internet providers.  It's kind of a double bill.
2732  Economy / Marketplace / Re: Torservers - Free Anonymous Uncensored Internet for Everyone on: February 06, 2011, 05:12:51 PM

I do think that a capitalistic TOR network would be quite a good business model.

BAsically all nodes could receive bitcoins depending on the bandwith they provide.  If they provided less than some amount, then they have to pay in order to use the network.

I don't know well enough how TOR wroks, but to me the very fact that there is a single point for donations is a problem for something which is supposed to be deregulated.


2733  Other / Off-topic / Re: once in a lifetime investment opportunity on: February 06, 2011, 04:05:23 AM
lol
2734  Economy / Marketplace / Re: Job Board on: February 06, 2011, 02:54:43 AM

Well, you were kidding but a good bitcoin song would be very cool.

I'll see if I can think of something.
2735  Economy / Economics / Re: how banks works ? on: February 06, 2011, 02:44:48 AM

Yet, the bank creates 90% of the loan out of thin air.

But it's not as if they were creating this money for themselves, either.  I mean, the lender is the first one who benefits from this loan, amongst with the people who will receive this money (real estate agents, workers who built the house, and so on...).


When the lender gives the money back, the bank destroys it.  It only takes the interest.  To some extend, interests are the reward for the accounting and legal work.  The whole system is not that bad.

In my opinion, the only thing which is outrageous, is the "too big to fail", and the overcomplex regulation which prohibits any competition and free market in the banking economic activity.
2736  Bitcoin / Project Development / Re: challenging hackers to promote bitcoin on: February 05, 2011, 11:06:37 PM
In this thread I said:
Quote
Bitcoin's p2p network is subject to various kinds of denial of service attacks.

There, I said it.

Yeah I remembered that just after I posted my message.  Sorry.
2737  Bitcoin / Project Development / challenging hackers to promote bitcoin on: February 05, 2011, 06:49:21 PM

Bitcoin has quite a decent monetary value, so we should consider an alternative way of promoting bitcoin.

Instead of saying "It's great, you should use it!", one could say "Some morons are paying for this stuff, let's hack the whole thing and make a lot of money!".


One advantage of this approach is that it can help improving the security of bitcoin, and failures of hacking can be used as a promotional argument.
2738  Economy / Marketplace / Re: Young women for bitcoins on: February 05, 2011, 05:15:24 PM
Theoretically cool idea, however this could create big, government-related problems for the forum owner if somebody starts to sell prostitution, drugs or other stuff there.
So the safest place for such thing is probably TOR.

I'm pretty sure that one day, I'll wake up one morning and I'll realize that the bitcoin.org website has been block.  Then I'll go on IRC and I'll ask where is the TOR hidden bitcoin website.

One minute later, I'll be connected to it.
2739  Economy / Marketplace / Re: Young women for bitcoins on: February 05, 2011, 12:39:47 PM
What I am saying is that it does **not** matter what **RACE** gypsies are. It's just their culture which makes them do illegal stuff.
In my 30-year long life i have almost NEVER seen a gypsie having a legal occupation in my country, and believe me - there are a lot of gypsies here.

Despise against a cultural or ethnic group is usualy assimilated to racism.
2740  Economy / Marketplace / Re: Young women for bitcoins on: February 05, 2011, 03:52:31 AM
I strongly believe you're not Romanian but French (a typographical mistake in one of your posts suggests so), with a good level in English.

I would be impressed if you could guess the nationality of someone that easily.  Which was this mistake you're talking about?
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