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1921  Bitcoin / Development & Technical Discussion / Re: Passphrase utility on: March 04, 2013, 02:49:58 AM
I've written a little Python utility

Y U NO use GitHub (or gitorius or whatever ...)?
1922  Other / Beginners & Help / Re: Please allow me to post this banknote images in another topic on: March 04, 2013, 02:46:07 AM
Could any moderator allow me to post here?

Post to the Whitelist request thread.  You can link to this thread probably, you shouldn't need to repost this there.

 - http://bitcointalk.org/index.php?topic=15911.0
1923  Economy / Economics / Re: Exports and imports in the Bitcoin economy. on: March 04, 2013, 02:44:08 AM
I was talking more about oDesk, ClickBank, OpenX Market, etc. Businesses that now conduct operations in fiat and pay out to independent contractors. If enough contractors, publishers and affiliates ask to be paid in bitcoins, and they comply, it becomes much easier to work directly for bitcoins even if your customers pay in fiat.

Don't expect them to do that willingly.  International payments being relatively hard for sending small amounts (i.e., amounts below the level where an International bank wire makes sense) is one of the reasons employers aren't hiring these freelancers/contractors directly.  It is one of the major features for these services.   So bitcoin is disruptive to them in that about all you would need an oDesk for is to match employer with employee.  But after that, why pay oDesk when you can go direct (and cut oDesk out of the deal).

It isn't like they don't know about Bitcoin or nobody has suggested they use it to either accept payment from employers or for paying out to employees.

Here's a talk by Michael Levinson, VP of Product, oDesk, from almost two years ago.  oDesk has a lot of freelancers from developing nations.  He describes the challenges to (and importance of) paying those contract workers.  Notice that the bitcoin topic just keeps coming up over and over by those in the audience. 

 - http://vimeo.com/29287295
1924  Other / Beginners & Help / Re: Trouble recovering wallet on: March 04, 2013, 02:28:08 AM
SOLVED.

I found a wallet backup

\O/ 

+1 for multiple backups using multiple media (e.g., one kept locally like on a flash drive, and one backed up online somewhere like Dropbox (perhaps encrypted using TrueCrypt, even with Bitcoin-Qt's passsphrase encryption)
1925  Other / Beginners & Help / Re: Bitcoin shopping cart software/integration on: March 04, 2013, 01:57:10 AM
yes, i was thinking about bitpay and walletbit.
but isn't there any software which i can host locally with bitcoind running on the server?

There are quite a few.

 - http://en.bitcoin.it/wiki/Category:Shopping_Cart_Interfaces

CoinDL, for instance, does this.  They use (and developed) the OSCommerce version.
1926  Other / Beginners & Help / Re: Help: #bitcoin-otc, WOT, and LocalBitcoins on: March 04, 2013, 01:54:34 AM
I think I've got my nick registered with gribble at the OTC.  Does this mean that it is registered in the WOT or is that a separate step?

Well, the IRC nickname is separate from the WoT username (i.e., they don't have to be identical).  Once you've registered a username with gribble, you are in the WoT.

How do I get a rating or rate someone on WOT?

Anyone can rate you once you are in the WoT.  To rate someone else, you need to have at least one rating (that's an anti-spam protection so new accounts aren't sending out bogus ratings to each other).

I tried to add the OTC ID to LocalBitcoins.com, but it says I need to " Sign it using the bitcoin address you registered with the #bitcoin-otc Web of Trust (WoT)."

You probably didn't add a bitcoin address to your WoT profile.  Use ChangeAddress to add a bitcoin address.  Then use your client (e.g., Bitcoin-Qt) to sign the message that LocalBitcoins is asking for.

 - http://wiki.bitcoin-otc.com/wiki/Beginners_Guide#.3B.3Bchangeaddress

I thought that bitcoin addresses were supposed to be single use. I generally try to generate a new address for every transaction.

You never need to send or receive bitcoins from this change address.  If someone sees your -otc WoT profile and sends a donation to you at that address, you would receive the funds but wouldn't know from whom.

LocalBitcoins is only doing this as a way of proving that the -otc profile you are linking is truly yours.  I suppose they could have used GPG signature but for whatever reason they are using Bitcoin message signing instead.

 - http://localbitcoins.blogspot.com/2012/08/now-you-can-connect-your-bitcoin-otc.html
1927  Economy / Service Discussion / Re: Official Gox / CoinLab Integration and Transition FAQ on: March 03, 2013, 11:56:23 PM
Does anyone know what will happen with non-verified accounts?

Does this provide enough of an answer?

How do I know if my account is considered a US/CA account or not? Is this determination based on the IP address used when you opened the account, the source of funding or something else?

We base this on various information, including source of funds and IP address. If you used Dwolla (which is only available to US customers) or if your bank reported you as a US citizen when sending funds to our bank, then you are automatically considered a US citizen.

If you ever connected only from the US, you are also considered a US citizen.

So it appears it doesn't matter, verified account or not your account is moved over to Coinbase (if one or more of the above criteria matches).
1928  Other / Beginners & Help / Re: Android tablet? Possible to make offline paper wallet? on: March 03, 2013, 11:19:10 PM
But as android tablets are a lot cheaper than a second PC I was wondering if there was software that could do the same on Android, because afaik armoury doesn't work on android.

I was thinking the Blockchain for Android app would create a new address without being connected but apparently it will only use an address that it knows about that is already in the wallet.

With the browser you can be online and load BitAddress.org, then disconnect and/or put the device in Airplane mode.
Then click Generate New Address (for single wallet mode) or Generate (for Paper Wallet).   Then print.

For paranoid mode you can then "Factory Data Reset" to clear all data (cheaper than smashing your device :-) )
1929  Economy / Gambling / Re: PLAYTIN - HTML5 Bitcoin Casino - Provably Fair on: March 03, 2013, 10:41:37 PM
Click on your account name in the header, there is a QR code on the account page

Ah, nice -- hadn't seen that.

Oh, and 2FA (Google Authenticator/OTP) is an option ... at site launch.  Very, very nice!

Will you share the house advantage (-EV) for each of the games?
1930  Economy / Gambling / Re: PLAYTIN - HTML5 Bitcoin Casino - Provably Fair on: March 03, 2013, 10:31:28 PM
Feedback is highly appreciated.

Think of the device I am playing the game on (e.g., Tablet) as being a point of sale terminal.  I will be paying using Blockchain for Android app from my mobile.      It would be nice if the "terminal" could present a QR code to me so that I can send payment.  [Update: Feature already exists, click on username to pull up profile, including QR code.]
1931  Economy / Gambling / Re: PLAYTIN - HTML5 Bitcoin Casino - Provably Fair on: March 03, 2013, 10:25:41 PM
Feedback is highly appreciated.

Does't respond when I click Register or Login.  

Using Chrome / Chromium.


Works now.  Not sure what I did different.
1932  Other / Beginners & Help / Re: Broadcast Double Spend Transactions on: March 03, 2013, 09:06:36 PM
both the TX get accepted by the network and show up on blockchain.info..

Blockchain.info couldn't report about double spends unless it accepts them.  So it is easy to get Blockchain.info to know about your double spend attempts, just connect to one of their listening nodes or wait until they connect to your node.

However, most every mining node is simply taking the first spend transaction it sees.  So even if Blockchain.info shows that there is a second transaction (which is a double spend), the mining nodes and everyone else will reject it because it is a double spend.

Now there may be some mining nodes who will modify the rules, and maybe even take the second transaction over the first (especially if the fees on the second are higher than on the first).

And there is the other possibility where a mining node wasn't operating at the time of the trx broadcast and later when the mining node was started up it learned of the double spend transaction first and then rejects the original transaction.  So this would explain how an honest miner using the stock Bitcoin-Qt/bitcoind click could still end up including the double spend in a block even though most nodes learned of the original transaction first.

SatoshiDICE now waits for a confirmation on certain wagers before giving a WIN/LOSE status if it either sees a double spend attempt or figures the transaction won't confirm right away and thus is more at risk of there being a double spend later on.
1933  Economy / Service Discussion / Re: Problems with BTC-e deposits and trying to talk to their support on: March 03, 2013, 08:06:49 PM
Anyone else have problems with a deposit going through on BTC-e today? 

What type of deposit, bank transfer?
1934  Bitcoin / Bitcoin Technical Support / Re: gosh darnit, making a secure wallet is hard. on: March 03, 2013, 08:04:27 PM
what is the best way to generate the send code for removing money from cold storage without having to use a client?

 - http://bitcoinarmory.com/using-offline-wallets-in-armory

Second, is there any alternative to the british hosted rowit thingy for when I figure out how to get said code generated?

Not needed with armory, but if you created a raw transaction with Bitcoin-Qt/bitcoind client and need to broadcast it ... these will work:
 - https://blockchain.info/pushtx
 - http://brainwallet.org/#tx 
1935  Bitcoin / Armory / Re: Can Armory import my paper backup from StrongCoin? on: March 03, 2013, 03:10:52 AM
Did I understand correctly that because I swept it I don't have to maintain individual backups of the private key, it's now fully controlled by my Armory wallet?

Sweep just means it moves the payment received to an address generated by Armory.   Once the funds are swept (to an address generated by Armory itself) you no longer need the private key for the address and thus could get away without making a backup for that -- unless you later were to receive a payment to that address for the private key again at some point in the future.
1936  Other / Beginners & Help / Re: Lost bitcoin via coinapult. Help very much appreciated. on: March 03, 2013, 03:03:30 AM
However recently it ate my bitcoin.

The way to contact Coinapult is through here:
 - http://coinapult.com/contact
1937  Economy / Service Discussion / Re: Any exchanges support dwolla besides MtGox? on: March 03, 2013, 02:52:13 AM
Any exchanges support dwolla transfers besides MtGox?

Technically, not even Mt. Gox does.  When you use the Mt. Gox site to send a payment for deposit, Dwolla will show "Mutum Sigillum LLC", a Delaware company.

The other in the U.S. is Camp BX.

Looking for a Non-US Based exchange in case this MtGox to coinlab doesn't go smoothly

Dwolla is a U.S. financial service only for customers in the U.S., so I'm going to presume that no exchanges outside the U.S. can accept Dwolla funds without some intermediary like a Mutum provides to Mt. Gox.

There are many exchanges which accept international bank wire transfers.  Of course, the problem is the high cost of sending a wire transfer where it is only feasible when sending a couple thousand dollars worth of funds.  Compare that to Dwolla's $0.25 per-transaction fee and it makes sense why you'ld wish for more methods to use Dwolla to transfer funds.

There is another approach.  CurrencyFair is used to convert from your local currency to a target currency.   So you do an ACH transfer to CurrencyFair and then from there withdraw to an exchange that uses a different currency, such as EUR.
 - http://www.CurrencyFair.com
 - http://www.TransferWise.com   <-- Now supports USD transfer as well
1938  Bitcoin / Bitcoin Discussion / Re: bitcoin statistics on: March 03, 2013, 02:27:13 AM
I need to know where to find the database to get the statistics bitcoin?

 - http://blockchain.info/api/exchange_rates_api
 - http://blockchain.info/api/charts_api
1939  Bitcoin / Project Development / Re: Marketing Bitcoin on: March 03, 2013, 02:23:43 AM
what kind of industries do you think would be most likely to jump on the bitcoin bandwagon?

When people wager on SatoshiDICE or any of the other bitcoin online gambling sites, some lose, some win, and some win big.  They would rather not cash out their winnings involving a bank transfer.  What they want to do is spend their coins.

So, what ways are there to convert a few thousand dollars of bitcoins to something of value to the online gambler who has received good fortune?

That's a segment that has been completely overlooked so far.

I personally think there will be a decent amount of business for the first travel operator who offers all-inclusive vacation travel where the payment is made (in advance of course) using bitcoins.

I personally think running an alternate reality game with bitcoin would be fantastic fun.


Participative games involving compensation (in bitcoins, of course) seem to be a natural.   An example:
 - http://sc2btcopen.appspot.com

There has also been geocaching using bitcoins as a fun method of getting a wider number of people familiar with bitcoin.  I wouldn't be surprised for a marketing agency to develop some geocaching game with a retail tie-in some day where the bitcoins are earned.

It is a green field out there right now.   There must be hundreds of things Bitcoin enables that previously nobody ever thought of doing.
1940  Bitcoin / Armory / Re: Can Armory import my paper backup from StrongCoin? on: March 03, 2013, 01:50:55 AM
No, those terms deal with Armory's deterministic wallets.

And Armory does let you import private keys, just that they aren't recoverable from the deterministic key and you actually need to maintain backups just like with any other client.
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