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1  Bitcoin / Project Development / What does the community need for this summer (2011)? on: June 25, 2011, 10:29:55 AM

I've been in the Bitcoin community, mining in pools and discussing (a little) on these forums since January of this year. I've tried to search great ideas for the community: like offering my services (hosting and my development skills on the wiki/my site) which I offer 3-4 people at the moment but no development project yet!; like offering platform to help the community (this post).

I think I prefer asking the community about what they really want to see because there are so many ideas and projects that has started recently that it's hard to decide what is a good idea. Moreover I have this summer (for me already in a few days) some (1-2 months) this summer so I can spend them to do interesting and useful things. I have great skills in programming like in C/Python/PHP and I like making web site development (but I'm not good at designing).

Here is some ideas I have got on the top of my head :
- Exchange/Pay files or maybe real things (seems already made like the auctions sites: OTC and on this forum);
- Grid/Mining platform for passwords/RSA/physics/math calculus with GPU (found here);
- Distributed file system (like that) or something related to the encryption problem people have these days (that post);
- I have little plans to enhance the GUI which leaks some features (like that post and clearer GUI);
- Futurist game (MMO RTS) which could use Bitcoin to buy/sell game items/things between players... or to buy items/subscription (too oldschool and already done by Dragon's tale);

I'm sure there are thousand of ideas which I've even never thought, so give it a try and post your ideas and opinions!
2  Bitcoin / Bitcoin Technical Support / Transaction fees (for 0.01 BTC) on: June 23, 2011, 11:31:39 AM

I've sent 0.01 BTC to an address to check the system is working (auto generation of address) without any fee and it is. But now I cannot send my 0.01 BTC back because it requests a small fee of: 0.005 BTC. I've tried with the GUI and RPC and it is the same behavior : "Error: This transaction requires a transaction fee of at least 0.0005 because of its amount, complexity, or use of recently received funds".
Ok now I would like to understand why is there such a limitation (I mean why didn't have I to pay a fee for the 1st transaction but only for the 2nd?)? Is there a way to send them anyway and wait even if it has ridiculous low priority? It's been 3 days that I test it so the "recently received funds" should have expired?

An other short question: Can someone sends bitcoins to an offline generated address and the address owner check he received them when he is online again? If yes it should means that when my client generates a new address it don't needs to broadcast it or inform the Network.
3  Bitcoin / Project Development / Transactions comments and messages (fields) on: June 16, 2011, 05:33:10 PM

I've successfully compiled bitcoin 0.3.23 from the sources and I was reading the code. I was wondering why are there 'message' and 'comment' value in CWalletTx.wtx map. I think there isn't any of these fields in the transaction written in the block chain so I understood that this is only local to the wallet.

But at the moment I didn't see how to change these fields manually or from the GUI. I think commenting the transactions is a good idea only if this is in the encrypted part of the wallet (is it?).

Moreover I've seen only a few people talking about including messages in transaction and I see the message field was gone from the GUI which was only available with a IP-to-IP transactions. Why was there a such limitation? Bitcoin is working with asymmetrical keys so it musn't be hard to add and encrypt a message in any transaction.

I hope there are some interesting reasons and discussion we can make. Smiley
4  Other / Obsolete (selling) / Offering: C/Python development on: June 02, 2011, 03:00:15 PM
Hello there,

I've decided to offer my service as a programmer for Bitcoins. I have several years of experience in C and Python, to begin I propose to make simple programs. For example: a solver for your homeworks, scripts to automate tasks, file/network processing, OpenGL drawing. At the moment I prefer to not offer my skill for big projects because I wanted first to experiment little programs.

If you are interested, my current price is at 0.312 BTC/hour ; to contact me visit my web site: here Wink I hope you will give me some interesting program to make! Source code will be given and it will be yours.
5  Economy / Marketplace / Idea: Exchange platform on: April 21, 2011, 01:18:57 PM
Hello everyone,

I've got an idea of project which could really be useful to anyone who wants to share Bitcoins and work in general. I don't know if whether someone has already think about this but maybe not and I'll try to make it if it's worth it for the community. First I'll describe in a few words what I mean and I will develop the possible ways it can go.

Origin: I've seen multiple times people posting their services about drawing, text writing, file sharing. It would use the way people rates each other in forums to ensure quality.

Idea: My goal is to build something like a forum where you can post messages depending on if you want to do something for somebody or if you are waiting of something. In the first case you can ask a payment for an attached file. There will be a thumbnail or a short part of the thing you "sell" visible. Then anyone can buy it with the amount fixed by the offering person. The platform will pay the offerer. In the second case you deposit the amount you think your request is worth. It can be a simple question in math, physics, computer science, it could be some piece of code, of text, an image to draw. When people reply to your initial post you you can decide which people to pay. The people may even rate all the posts and the ones which has the best score gains his payment (it can be split or not).

Deposing: To verify every transaction I propose asking people to deposit the amount they want to buy some services in the platform. It allows us to be sure the person has enough to pay. I don't think when you are a seller it is necessary to keep the coins in the platform. It may be when a better answer has arrived or when an answer/file wasn't what was excepted and the people want to be given back their coins.

Rating: The people on the platform should be rated to ensure quality, assurance to everyone. This system could become a really great platform for exchanges as far as people post comments about the posters. It's like now on the forums but it may be improve.

Offering: This part is quietly safe because the person put its text, image or file on the platform but it must be hidden. One can view a part of it in a thumbnail for example. If you are interested you have to pay the offerer in the platform to access entirely the data. These may be split into parts (different size of images, pages, chapter or archives). When the person has made its payment (and it's validated) then he can download/access the file(s) and the offerer is paid (It looks like a "App Store").

Requesting: The requester has to send some bitcoins to pay the answers then this is a little bit more risky because when someone reply, its answer may not be paid. In one way the requester could refuse to pay and use all the answers. It may be possible to hide all replies but you cannot choose the best one anymore. The solution is to let people rate the answers and the requester can choose the answer(s) he wants to pay. If the requester don't pay after a few days (more or less) the payment should be split to the people which have useful answers based on the community rates of these. It may be after a few days if the origin requester don't pay or longer. (This looks like helping forums but more general and you earn Bitcoins).

Answers: As I wrote in the beginning the word answer may refer to text, images or more generally files that the requester needs. These answers may be displayed partially to protect stealing until the person is paid for example. Again it could be an option to let people decide about that.

Coding: I have enough skills in PHP, DB, web to code this platform as a forum for example. It may take several weeks or months to achieve a certain quality. I may need some help but I can do it myself of course.

Fees: As you know everyone wants to earn Bitcoins. I don't want to force people to pay an overhead but I think it's a good idea to let people choose how many they want to pay to support the platform (Paying my/our work and servers) like on mining

Here it is! A long post. I hope you enjoy my idea and you can give your opinion, ideas and whatever you want about it.
6  Economy / Marketplace / Offering Web hosting services [Web/SSH] on: February 11, 2011, 06:39:29 PM
Hi all,

I'm quite new in the bitcoin community and happy to announce I offer web services like hosting. It's at the moment my first serious attempt to use bitcoin for real services and hope you will enjoy. I'm open to any suggestions or questions you may have. Here is my actual services (see the web site for the actual prices):

    * Web hosting:
      Simple hosting on our Linux Apache server with PHP, MySQL and FTP access. We offer a capacity up to 10 GiB, a network connection of 100 Mb/s at maximum and your site will be at as you wish.
    * SSH access:
      You will have access via SSH to our linux server to store up to 25 GiB of data and to run any program you want on it.

I'm not a professional but I have enough experience with unix, web hosting and servers to offer a decent service quality. I'm offering my service because my dedicated server isn't very used at the moment and I hope these services would help some people meanwhile I could earn some bitcoins (I have nearly none at the moment).

More information at and thank the community and developper of bitcoin for your continuous great work !
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