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9201  Bitcoin / Bitcoin Discussion / Bitcoin client backward compatible w/ older wallet.dat? on: December 18, 2010, 08:27:25 PM
Saw this Twitter status update:
  Does the #bitcoin protocol have a version number that allows to upgrade if someone leaves the system for 5 - 10 years?

I think what is being asked is, if a client were not upgraded for a very long time, could it still communicate?

Either way, will the future clients be backward compatible as far as being able to access today's wallet.dat?

A lot can happen in 5 to 10 years. 

  IPv6, various vulnerabilities discovered, encrypted wallet.dat, etc.

(Incidentally, ... isn't the reason most who have left the system for 5 - 10 years due to being incarcerated?)
9202  Bitcoin / Bitcoin Discussion / Re: Bitcoin across the world on: December 18, 2010, 07:33:21 PM
Very awesome!

If anyone wishes to tag a marker, there is the collaborative Bitcoin Map:

Yes, it is Flash based.  The data is stored in KML though so it can be viewed with Google Maps:
9203  Bitcoin / Development & Technical Discussion / Re: Exploiting Special Properties of Bitcoin For Uses Other Than Currency on: December 18, 2010, 05:52:34 AM

You don't get it.  It's not steganography at all.  You don't really send any data to the network.  It is the same amount of "data" injected, whether you timestamp a "hello world" or a 1Go tarball !

It seems that I have to make an example to make it really clear.

I guess I should have included Jimbobway's message to indicate what my reply was a response to:

Please brainstorm how to use bitcoins in new ways and post your ideas here.  

I've decoded the ASCII character that represents the amount sent in each of those 8 transactions:
0.66 BTC  = B
0.73 BTC  = I
0.84 BTC  = T
0.69 BTC  = E
0.32 BTC  = [space]
0.77 BTC  = M
0.69 BTC  = E
0.33 BTC  = !

That is steganography, no?  And that is using bitcoins in a new way?
9204  Bitcoin / Development & Technical Discussion / Re: Exploiting Special Properties of Bitcoin For Uses Other Than Currency on: December 17, 2010, 07:54:52 PM

Though if I sent to you the following:

0.66 BTC
0.73 BTC
0.84 BTC
0.69 BTC
0.32 BTC
0.77 BTC
0.69 BTC
0.33 BTC

I would have failed -- not just because it cost me over 5 BTC (even before any transaction charges) just to send a lousy 8 bytes of data, but it would be easy to tell that I was sending data.  But as a channel for sending a message, in a pinch it might be useful.
9205  Bitcoin / Bitcoin Discussion / Re: is it possible to launch an independent bitcoin network ? on: December 17, 2010, 01:56:30 AM
And so it begins ...

Wake me up when 10 McD's are given out with each happy meal and OprahBux are accepted for coffee.
9206  Bitcoin / Bitcoin Discussion / Re: Why another surge in interest? on: December 15, 2010, 07:39:57 PM
So about two hours ago (8AM EST, 24 July) I see a big spike in traffic to the Bitcoin Faucet:

What's up with that?  The slashdot effect was just tapering off...

I'd love to see an update of that bitcoin faucet chart.  If I remember correctly, the faucet had about 450 last week, and it shows 393 now.  At 0.05 / new visitor, that means 1,140 disbursements.  In a week!
9207  Bitcoin / Press / Re: Bitcoin press hits, notable sources on: December 15, 2010, 07:23:07 PM
Uno mas.
9208  Bitcoin / Project Development / Re: Bitcoin+Translator Firefox and/or Chrome Extension for Chatroulette on: December 15, 2010, 01:55:27 AM
I'm curious to know if there is a place for this idea though.

There's absolutely no need to build anything at this point.  Think Eric Ries' minimum viable product ( ).  

All you need is some performer to give it a try.  

The performer sends to every new connection a solicitation that gives out the URL from along with the performer's Bitcoin address.

If the performer gets enough positive responses (actual coin coming in), then the idea might just be a winner!

I try not to condone an idea that intentionally violates a site's terms of service but come on, ... this is ChatRoulette we're talking about -- something that is a violation of nearly every rule that exists.  :-)
9209  Bitcoin / Bitcoin Discussion / Virtual Currency being called Digital Currency and vice-versa on: December 14, 2010, 05:20:24 AM
The recent PC Word article described Bitcoin as a "decentralized virtual currency".  I believe the description would have been more correct if the term used was "digital currency", as Bitcoin's FAQ describes it.

I then read about Facebook Credits which were labeled as "digital currency".
Facebook Credits can accumulate but funds are one way, they can only be spent within facebook (e.g., on e-cards and for Farmville Cash).

  Is this a mis-use of the term digital currency, or is there a blurring of the line between the two.
9210  Economy / Marketplace / Re: MtGox Matrix on: December 13, 2010, 10:44:51 PM
Thanks! Getting warmer.

    <title>The Title</title>

        [...   Traffic / Analytics Stuff here ...]

There's a validation service that you could run the site through:
9211  Economy / Marketplace / Re: Free Bitcoins! on: December 13, 2010, 06:16:15 PM
Xip ID: sgornick
Bitcoin address: 1Le5k3YpzTgpx7gsFBm5uZjGD4pwnFmiW2

$5 for free for using the code POD, nice!  Edit: For use in "gifting" to charitable only.
9212  Economy / Marketplace / Re: ClearCoin: for safer bitcoin transactions on: December 13, 2010, 05:57:23 PM
How would one merge adresses from old wallet into a new one?
9213  Economy / Marketplace / Re: MtGox Matrix on: December 13, 2010, 04:13:51 PM
Your matrix display is so useful.  Using the 0.0025 sub-cent axis display is my favorite way to see bid/ask spread:

There's a page-display widget that I would like to use that will periodically refresh the matrix in a window off to the side.  However, that tool doesn't like how your script doesn't return valid html -- e.g., no <html> tag, etc.

Were those tags omitted explicitly?  If not, would you consider adding them in?
9214  Bitcoin / Project Development / Re: Bitcoin+Translator Firefox and/or Chrome Extension for Chatroulette on: December 13, 2010, 08:07:21 AM
Sorry, I didn't at first comprehend what you had written.

Technically it is likely possible that an extension on both sides could automatically inject some data into the text chat and that the other side interprets that data.

But I see:

3) Permitted Use of Web site
You agree not to collect or harvest any personally identifiable information, from the Service, nor to use the communication systems provided by the Service (e.g., comments) for any commercial solicitation purposes. You agree not to solicit, for commercial purposes, any users of the Service or Web site.
9215  Bitcoin / Project Development / Re: Bitcoin+Translator Firefox and/or Chrome Extension for Chatroulette on: December 13, 2010, 07:55:10 AM
I'm pretty sure the main problem is that there is no way communicate between the two sides.  Data can manually be passed using the text chat capability I suppose.

Maybe OpenTok might be worth looking at for building an app instead?
9216  Economy / Marketplace / Re: Hiring Web Designer on: December 12, 2010, 10:07:53 PM
Is this listing still open?  Can I add it to: ?

(anyone can post a listing, but I'll do the copy and paste for you if you wish.)
9217  Economy / Marketplace / Re: Bitcoin Wallet to Amazon S3/Google Storage for Developers? on: December 12, 2010, 07:45:51 PM
I've been making backups of my wallet using Dropbox, but I found that the bitcoin client writes logfiles and other data rather often, which clutters up my Dropbox history. So, I wanted to write a patch that will let users automatically back up their wallet after every transaction to Amazon S3 or Google Storage for Developers.

Anyone willing to pledge bitcoin donations for this project? Of course, I don't expect to get anything before I complete the project, but I'd be much more willing to put time into it if I know I'll get even a little cash out of it.

I plan on making the project open-source, using the same license as bitcoin.

Rather than have dropbox backup the entire Bitcoin folder can you have it just backup the wallet.dat, which is all you need to recover if needed.   Assuming you are using MkLink (Vista/WIndows 7) or Junction/fsutil (XP), do either of those allow just an individual file to be linked?  (On linux I use ln (symlink) which allows either.)

I've used Microsoft SyncToy to replicate an individual file into a Dropbox folder and added it to the task scheduler so that it is performed automatically each day.

But as far as storing an unencrypted wallet.dat on Dropbox ... Huh

Dropbox appears to have the bases covered as far as being able to trust that your data is secure from unauthorized access on their end:
Dropbox employees aren't able to access user files, and when troubleshooting an account they only have access to file metadata (filenames, file sizes, etc., not the file contents)

however Dropbox is used by many to replicate their documents and files to all of the various devices they use.  Do you really want your unencrypted wallet.dat on your dropbox folder on each of these devices?

As far as a patch modifying the Bitcoin client to be able to backup the wallet after every transaction (or at least after ever new address is allocated), is the backup target going to be *my* S3 / Google Storage account or yours / 3rd party?  If the wallet is encrypted (e.g., gpg) first, then I don't care as much.  The Bitcoin FAQ reads: An in-built tool for encrypting your wallet will be included in Bitcoin later on. so that will likely make auto-backup functionality easier to build.

Is there any roadmap / priority list for the client to get a better handle on when and how that might happen?

9218  Bitcoin / Project Development / Re: Wikipedia Article Incubator on: December 11, 2010, 08:00:53 PM
Do you write Euro or Euros?

Singular of course, it is just Bitcoin.  But is the plural Bitcoin or Bitcoins?

I will send you five Bitcoin.
I will send you five Bitcoins.

The total number of Bitcoins in circulation today is 4.85 million.
The total number of Bitcoin in circulation today is 4.85 million.
9219  Economy / Marketplace / Re: ClearCoin: for safer bitcoin transactions on: December 11, 2010, 07:42:53 PM
I would say that three years is about the high end limit for such a thing, but one year should be long enough.

Will people still have their current wallet a year, or three from now?
9220  Bitcoin / Bitcoin Discussion / Re: transfer confirmation? on: December 11, 2010, 07:37:51 PM
This might be of use to you as well -- ClearCoin escrow:

The first 100 BTC of each transaction is free, with the escrow fee at 1% for anything over that.

So to protect yourself when sending, you can put the amount you are sending in escrow and then immediately release it.  The result is a publicly visible record that N Bitcoin were sent to XXXX...XXXX address on a date that could have been one of three different values (depending on whether the escrow expiration was 1 months, 6 months or 12 months out.). 

Here's an example of a completed transaction that occurred on Dec 7, 2010:

That, along with the instruction from the recipient showing what Bitcoin address you were supposed to send payment to, ... and you end up with a pretty convincing argument that the funds were truly sent.
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