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1  Local / Actualité et News / Bitcoin-Central présente le Bitcoin au sénat mercredi 15/01/2014 on: January 09, 2014, 04:29:59 PM
En compagnie de la direction de la Banque de France, celle de Tracfin, et celle de la cyber-douane.

Plus d'informations : http://www.senat.fr/presse/cp20140109a.html
2  Local / Petites annonces / [WTB] Guitare électrique on: August 20, 2013, 11:56:15 AM
Dean, Washburn, Ibanez, ou à la rigueur SG, voire Les Paul (Epiphone s'abstenir) si vraiment j'en tombe amoureux.
3  Other / Off-topic / Cooking with Pantera's Phil Anselmo on: August 19, 2013, 08:37:13 PM
I'll just leave this here.

http://www.youtube.com/watch?v=8IdCwtIijOA
4  Bitcoin / Bitcoin Discussion / You like vim? Donate to Bram Molenaar in BTC and help kids in Uganda on: May 16, 2013, 08:48:11 PM
I e-mailed Bram Molenaar this afternoon suggesting he should put a donation address on vim's splash screen so people who loved vim could help him help children in Uganda.

In his response he basically said that he didn't really know Bitcoin, that he thought not much people used it, and that he didn't think it would stick around.

So basically what I want to do is to collect some donation promises.

So if you love vim and want to promise some amount, whatever it is, just state it here.

I'll start and promise to donate 5 BTC

EDIT : There's also a Reddit post that you may want to up vote :-)

TL;DR : Vim donations address : 13UUaGK8ZDLxjY7RYu2bKEabqjww2KDyxD

Donated : 6 BTC
Pledged but not received yet : 5 BTC
5  Bitcoin / Bitcoin Discussion / Bitcoin-Central.net | Cyprus specials !! on: March 16, 2013, 02:23:43 PM
During the next two weeks any new account opened by a citizen from Cyprus will enjoy a 0% trading fee on his two first deposits !
6  Bitcoin / Bitcoin Discussion / Bitcoin-Central.net the first exchange to actually give you a proper invoice on: February 20, 2013, 02:11:04 PM
TL;DR  - The state now pays ~20% of your trading fees if you're a corporation.

We're rolling out an interesting upgrade to the Bitcoin-Central.net and Paytunia.com services letting our users setup corporate accounts.
The main advantage of a corporate account is that any European corporation will be able to claim a VAT refund for the fees it paid.
We now issue monthly statements showing everything needed to properly account for the VAT claims.

The statements are available as PDF downloads on each user's profile, if you wish to upgrade your account to corporate please open a support ticket.

EDIT : The trade fee already includes VAT, so if you claim VAT you'll end up paying ~0.4% instead of ~0.5%.
7  Bitcoin / Bitcoin Discussion / Paymium looking for Java, PHP, Ruby, Node, bash and Python developement on: February 18, 2013, 12:19:46 PM
Are you a skilled developer in any of these languages ? You want to make some BTC ?
Good! We have an assignment for you.

The objective is to create API wrappers around the Paytunia/Bitcoin-Central API.

The wrappers must be
  • very simple to use,
  • properly documented with whatever is good practice in the target language,
  • packaged as a nice library,
  • have its IP transferred to Paymium who will in turn fully open-source the code,
  • implement the documented API calls,
  • support HTTP Basic and OAuth2 authentication,
  • feature a comprehensive test suite (again with whatever makes sense in the target language),
  • callable directly from the command-line

Using third-party libraries is encouraged as long as their license doesn't conflict with the final target license (MIT, GPL, AGPL or whatever makes sense).

For example, for someone using the libraries it must be very easy to code a trading bot or a shopping cart interface.

Payment in BTC or EUR bank wire

If your work is really good you can expect a job offer.

Since there are quite a few languages we'll work the following way :
  • If you're interested PM a preliminary offer including the price for the whole thing, we'll tell you if it works for us,
  • if it does we'll create a repository for you to store the code,
  • you'll then commit a working implementation containing a "view one trade order" demo API call (authenticating with HTTP Basic),
  • we'll review the code, the associated documentation and tests,
  • if we like it we give you the go for the whole thing



8  Economy / Service Announcements / To what extent is blockchain.info's code open-source ? on: February 06, 2013, 07:56:56 PM
Is it 100% open-source ? Or are there only parts of it freely available ?

There's this repo : https://github.com/zootreeves/blockchain.info

But I'm unsure of what exactly it contains and the license this code is released under.
9  Economy / Service Announcements / Instawallet maintenance on: February 01, 2013, 10:11:30 AM
Instawallet underwent a maintenance operation yesterday that completed this morning, for a number of technical reasons it took a long time to complete.
The maintenance was successful and Instawallet should now be much faster.

We apologize for not properly scheduling this maintenance, it however had to be done as the load on our servers was becoming too large and was leading to general unresponsiveness.

Should you encounter any kind of issue do not hesitate to contact the support (support@instawallet.org) stating all relevant information and data (public wallet address, transaction IDs if relevant etc).

The support does not need your private wallet URL and will *never* ask for it.
10  Bitcoin / Project Development / Bitcoin-Central API backwards incompatible changes on: January 10, 2013, 01:30:49 PM
Dear all

Today I'm rolling out a new version of the Bitcoin-Central backend.

It introduces heavy architectural changes to the way things work :
 - The precision of the trading engine is pushed to a full 8 decimal places
 - The execution of trade orders becomes asynchronous
 - The execution of outbound transfers becomes asynchronous
 - Bugs are fixed on the way depth is shown in the order book
 - E-mails are sent asynchronously, leading to better overall responsiveness
 - A private websocket over HTTPS user specific channel is deployed, allowing to listen for account events as they happen
 - A public websocket endpoint pushes the ticker updates as they happen

Unfortunately, due to the deep nature of these changes it is not possible to keep the API as is (responding synchronously to calls).

As a consequence, some calls (transfer money, place trade order) won't be usable until they are replaced with asynchronous versions.

A new API will be progressively rolled-out, it should be much simpler to use and comprehend, it will be versioned, be OAuth2 compliant, and expose much less of our internal data model in order to be much more intuitive.

Please in this thread to tell me which API calls are the highest priority for you.
11  Other / Politics & Society / We already live in an AnCap world on: December 18, 2012, 04:43:52 PM
My new book "Trollitics" is about to hit the shelves, let me treat you to the first chapter "We already live in an AnCap world".

It's already being run by corporations that have their own private laws, their own private armies, their own private property.
You just call them "governments".
U mad ancaps?

But seriously, u mad ancaps?
12  Economy / Exchanges / Bitcoin-Central, first exchange licensed to operate with a bank. This is HUGE on: December 06, 2012, 04:08:53 PM
Lots of the work that we do is unseen.

At Paymium we spent lots of time and energy talking about Bitcoin to our regulating bodies, the Banque de France, the ACP (French equivalent of the American SEC), TRACFIN (AML French supervising body) etc. We engaged all these resources with one goal in mind : get these people to know Bitcoin, advocate our beloved crypto-currency and listen to them, help them think until they finally reach the same conclusion as we did : there's nothing wrong with people being free.

There's nothing wrong with people freely exchanging value, we don't hurt anybody, we're not forcing anyone to use Bitcoin, we simply want to see our dream and the future of money become a reality.

After all this patient work and lobbying we're finally happy and proud to announce that Bitcoin-Central.net becomes today the first Bitcoin exchange operating within the framework of European regulations. Since 2010 we kept learning, when mtgox got kicked out of France for not complying with the law we learnt from it, when our banks gave us a hard time we learnt from it, when we discussed with smart people on these very forums we learnt from it.

From monitoring the regulatory field we learned that TRACFIN knew about Bitcoin, that the ECB knew about Bitcoin. And that they were both worried.

So we felt that if no one went there, and told these people about Bitcoin, they would come to us anyway.

We're therefore extremely proud and happy to announce that Bitcoin-Central.net will be raising the bar for all the other exchanges, at least the ones operating in Europe.

We're announcing today that Bitcoin-Central.net is getting, through a partnership with Aqoba, allowed to operate like a bank, (or more precisely like a PSP which is basically the same as a bank, just without the debt-money issuing part).

Some people might argue that regulation is a bad thing. We respect this opinion, but we'll have to agree to disagree.

But this is not only some regulatory detail, it has dramatic implications for us, our users, and... our competition Wink

Let's go over a couple of them:
  • Our user's funds will actually be held at Aqoba's partner financial institution under the user's name, they will be separate from Paymium's funds (on the other hand, all of other exchanges funds for example sit in the same account, and are considered by their bank to be their corporate property)
  • Our user's accounts will be protected by the "Garantie des dépôts" which is the French equivalent of the American FDIC (the insurance cap applies to each account individually, and not to the sum of all user balances, so unless your EUR balance exceeds 100kEUR your fiat is 100% insured by the French taxpayer)
  • Each account will in a few months get its very own IBAN number, users will be able to use it as any other bank account, have their salaries and pensions sent there and have them automatically converted to Bitcoin if they so wish)
  • Each user will soon be able to order its own debit card that will use their EUR and BTC balance to honor purchases and cash withdrawals
  • We'll have direct access to the banking networks which will let us 100% automate all incoming and outgoing transfers
  • Corporations will have an actual financial institution talking with them if they wish to start accepting Bitcoin and be safe from a regulatory point of view
  • Paymium will have a much better legal standing and a much higher attractivity for second and third-round investors
  • Paymium will be in a much better position to make its vision become true : make all our transactions, be they denominated in crypto or fiat currency, flow through the pipes of the Bitcoin network

BUT, that doesn't mean more hassle for our users, since we know exactly what is legally required we can already tell them that a simple ID will remain sufficient to fully verify an account.

It's a big day for me and Paymium, and it's a major milestone for this community.
13  Local / Français / Vos propositions d'amélioration du forum Français on: December 05, 2012, 03:08:03 PM
À la demande générale !

Un meta-fil pour proposer des améliorations diverses et variées du sous-forum Français.

Mesdames et Messieurs, à vos guises.
14  Bitcoin / Bitcoin Discussion / You guys have your champagne ready ? on: November 28, 2012, 03:11:22 PM
At Paymium we do !

15  Local / Discussions générales et utilisation du Bitcoin / Block reward halving party! on: November 25, 2012, 08:30:31 AM
Yo.

Quelqu'un veut qu'on se fasse une block reward halving party sur Paris ?
Visiblement ce sera vers mercredi soir 22h.

16  Economy / Service Announcements / [ANN] Bitcoin-Central launches new GBP market on: October 24, 2012, 03:25:34 PM
I'm happy to announce that Bitcoin-Central now features a GBP market in addition to the EUR market.

Intersango and MtGox are not accepting incoming GBP wires to their UK bank accounts due to these accounts being closed/frozen by their respective banks. Additionnally Intersango appears to be going belly up, they are not even accepting new registrations anymore due to their team not being able to work full-time on the service.

In this context, we at Paymium, felt that it would be a good opportunity to provide the Bitcoin community with an alternative GBP market.

All our fees are lower than both MtGox and Intersango :
 - Fund your account with a GBP wire : FREE
 - Withdraw with a GBP bank wire to a UK bank account : 0.99 GBP
 - Trade fee : 0.498% (special deals may be available to liquidity providers)

Bitcoin-Central proudly provides the community with an advanced, secure and open-source platform since december 2010.
17  Economy / Service Discussion / Bitcoin-Central.net API technical support thread on: October 12, 2012, 12:55:04 PM

TL;DR; -- The documentation is here : https://github.com/Paymium/Paytunia-API-v1-documentation

I got a bunch of interesting questions from someone wanting to consume the Bitcoin-Central.net/Paytunia.com API and thought that it might be useful to share it publicly.

If you happen to have questions on the API feel free to ask or comment here.

Paytunia and Bitcoin-Central are basically two different front-ends to the same application, they are served by the same code and they sit on the same database. The main difference is the UI. Also some API calls, and especially these related to trading are only available when using Bitcoin-Central based URIs.

It may seem kind of crazy from an external point of view, but there is a good reason it was set this way. The reason is simply that we tried to get a Paytunia iPhone app approved a while ago, and in order to get it approved we felt that we should not mention any trading at all on the app or on the Paytunia website whatsoever.

That's why Paytunia pretty much only has the wallet functionality of Bitcoin-Central.

In short : use https://bitcoin-central.net as base for *all* your API calls.

If you wish to have French localized human strings use https://fr.bitcoin-central.net, (you could also use https://en.bitcoin-central.net but English being the default it doesn't really make sense).

Quote
I am currently trying to add your platform to my program, but I find it difficult to read you API instructions. It is said that I should use the API of paytunia.com and there are path for the specific requests given. I assume one path could be https://paytunia.com/order_book. But when I enter that address into my browser, I don't get a JSON object.
What you experience on the order book is perfectly normal, with a RESTful API you request a resource, and if you do not tell the server which format should be used for the response it will default to HTML. If you want the resource returned in JSON you must tell the server. To do so you have two different options : either you add a .json extenstion at the end of the URL (when using a browser for example), or you add a HTTP header "Accept: application/json". That's explained in the "Required HTTP headers" part of the documentation.

Quote
I want to add your trading platform to my bot. It is said, that I have to give account id and password as parameters for authentication, but the names of that parameters are not given.
Regarding the authentication of calls there are no specific fields you must pass in the body of your request, in fact the authentication mechanism is standard HTTP Basic authentication (see : http://en.wikipedia.org/wiki/Basic_access_authentication). The credentials are passed in a header. Any decent HTTP access library will have this functionality already built-in. Check your library if any, otherwise just add the header as described on the wikipedia page. For example if you use cURL just pass a -u 'user:password' option to the command.

Quote
When I want to delete an order, I have to put the order ID into the URL. When I want to place an order, I have to send a JSON string. Why, why don't you just use ONE thing: parameters, URLs OR json strings. And if you ask me: sending JSON strings is the worst of the three, I think there is a reason why no other trading platform uses this.
Our API is RESTful, meaning it's based on resource URIs and HTTP verbs. For example with a trade order, if you issue a GET request against the order URI you'll be given the order representation, either in HTML or in JSON, depending on what you request, you may also issue DELETE requests against the same URI to cancel it. If you want to place an order you can just POST to the URI of the order collection (/account/trade_orders IIRC) in order to add an order to the collection. It's just the REST paradigm. Lots of APIs work this way. Regarding the fact that you have to submit a JSON string, you can also pass parameters in the URL in the following way : POST /account/trade_orders?trade_order[amount]=30&trade_order[currency]=EUR&... or as posted form data, it doesn't really matter, it'll get parsed the same way. Have a look here for more information on RESTful web services : http://en.wikipedia.org/wiki/Representational_state_transfer#RESTful_web_services

Quote
It is said that a successfull call returns HTTP 200 or 201, but it is not said which is returned when!?
Whenever a resource gets created (you post a trade order, you create a money transfer etc.) you'll get 201. For all other successful responses you'll get a 200.

Quote
I am trying https://paytunia.com/ticker?currency=LRUSD to see if that is a suitable URL for getting answers. I am getting HTTP 500
Yeah, that's a mistake in the documentation you should query /ticker.json (with the optional currency parameter). You're getting an error because you're implictly requesting HTML but there is no specific HTML representation of the ticker. (we'll fix that in the documentation)

Quote
Inside the JSON string there is "ppc". Does that mean price per coin? Why don't you define such names?
Yes, we should define them better. But I guess with the example it's pretty transparent, isn't it ?

Quote
There is the possibility to give an order type, in the example it is limit order. What other types are there and how do they work?
You can also post market orders. Market orders are like limit orders except they don't have a limit price and will execute at any available market price. Have a look on the trade order creation form, you'll find a link to an in-depth explanation.

Quote
Coincidally I saw that there is the possibilty to activate an order, that was placed with unsufficent funds. If there is this feature, why is there no explanation how it works?
That's because I want to remove this feature and simplify the logic around trade order execution. Right now, the way it works is that you can not place an order if you don't have enough funds (BTC or currency) to honor it fully, if you place your order and then withdraw currency or BTC leading to a state where you're unable to honor the order completely it gets inactivated. If you then add funds the order remains inactive, if it wasn't so, users could come to a point where they have old outstanding orders that suddenly execute when they add funds, at prices that aren't in line with the moving price of Bitcoins.

Quote
Can I place an order and have it removed instantly when I do not have enough funds?
No, currently if you do not have enough funds, the system will not let you place an order.

This logic should be changed because it is not very intuitive and straightforward.
18  Other / Off-topic / That's how I roll on: October 11, 2012, 09:45:28 AM
http://www.youtube.com/watch?v=Onjh6YjnSd8
19  Economy / Service Announcements / [ANN] Earn easy referral coins by linking to InstaWire.org on: September 26, 2012, 09:31:36 AM
The original InstaWire.org announcement is here

Do you have a blog, website, or twitter?
Earn free bitcoins with our affiliate program! We'll send you 1% of bitcoins sold through you. No signup is required, and it only takes a few seconds to setup.

How it works
Add a link to your blog, website, or tweet pointing to:
Code:
https://instawire.org/?r=your_bitcoin_address
Replace 'your_bitcoin_address' with one of your bitcoin addresses.

For example, if your bitcoin address is 1DavouTAsveznCFHsz688xvbrRAq4u2qm8, to create a link using HTML put this code somewhere on your website:

Code:
<a href="https://instawire.org/?r=1DavouTAsveznCFHsz688xvbrRAq4u2qm8">Purchase Bitcoins directly via wire transfer using InstaWire.</a>
That's it, you're done! Now evertime someone buys bitcoins using that link, 1% of the amount sold will be sent directly to your bitcoin address as a reward. There is no amount or time limit for your link!

Example
John sees your tweet mentioning and linking to your InstaWire affiliate address. He clicks on the link and decides to purchase 10 bitcoins. After the transaction is approved, John will receive 10 bitcoins and we will send 0.1 bitcoins to your address.
20  Economy / Service Announcements / [ANN] You liked instawallet.org ? You'll love instawire.org ! on: September 24, 2012, 03:42:43 PM
TL;DR : Paste a Bitcoin address in a bank wire "reference" field. Bitcoins automatically sent to that address. Also refer your friends and get 1% of what we sell.


Hello everyone!

I'm very proud to announce that Paymium is launching a new original service called InstaWire, it's available at https://instawire.org.

It'll let you buy Bitcoins hassle-free by simply pasting your Bitcoin address in the "Comments" field of a bank wire. It's mostly intended for beginners or people who want to buy a few coins from time to time without the pain of registering an account on an exchange or going through AMhell.

The price will vary depending on market conditions and include a small commission.

We also have a nice affiliation program where you direct customers to us through a specially crafted link containing your Bitcoin address and you are rewarded with 1% of the Bitcoins sold. So if you refer Paul to us and Paul buys 100 BTC on InstaWire, we reward you with 1 BTC out of our own pocket.

Just craft your URL like this : https://instawire.org/?r=1DavouTAsveznCFHsz688xvbrRAq4u2qm8 put in on your blog, your signature, get its QR code tattoed on your chest and listen to the sweet sound of Bitcoins rolling in. (Pro-tip : we haven't edited the wiki pages yet to add InstaWire to the lists)
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