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2281  Other / Beginners & Help / Re: Problems assigning GA (google athenticator) @ cryptocoin exchange on: January 02, 2013, 05:38:31 PM
cryptocoin exchange

Are you referring to this exchange?
 - http://exchange.zapto.org
2282  Other / Beginners & Help / Re: bitinstant / zipzap wont sent my bitcoin on: January 02, 2013, 05:34:19 PM
i just did 2 moneygram payments to bitinstant, they received both payments however only sent me bitcoins for one of them. has been over 2 hours.
what can i do? ive called and emailed them but cant reach them.

The likely reason you sent two was because of the $500 per-transaction limit?    When there are delays, sending multiple times at once is often the common denominator and MoneyGram holding up the second payment is often the cause of a delay.  

Two hours ... isn't necessarily a significant delay (requiring manual prodding), but BitInstant has a support thread.  You might want to post your inquiry there.

Official Newbie BitInstant Support Thread (Active Customer Support)
 - http://bitcointalk.org/index.php?topic=128314.0
2283  Other / Beginners & Help / Re: what about privacy? if all transactions are public, you can easily trace account on: January 02, 2013, 09:03:23 AM
what about privacy?

since all transactions are public, you can just go through the blocks and trace an account to individual / groups

Bitcoin is not anonymous.  It is pseudonymous.  Or, as Jon Matonis describes it, Bitcoin has user-definable anonymity.

That's why no bitcoin thief has been identified from the bitcoins they've stolen -- they are using methods to protect privacy.  

But there aren't many clues to tie identity to a bitcoin address unless either the sender or recipient (or both) don't care about privacy and do stuff like use a static address for receiving payments.

well really obvious ones, like for example, a account with 10,000 Bitcoin per month revenue,

The way most merchants work is that there is one Bitcoin address for each customer payment transaction.  

there are only so many organizations capable of that, and through process of elimination and probably other tracing techniques, you can find out the EXACT amount of bitcoins any individual/group has.

Nope.  Especially if the merchant uses a payment process (such as BitPay, or WalletBit, etc.

You might take a moment to peruse the Bitcoin wiki.  Bitcoin can be a complex topic, depending on the level of detain needed, but the wiki provides some great information:

 - http://en.bitcoin.it
 - http://en.bitcoin.it/wiki/FAQ
 - http://en.bitcoin.it/wiki/Introduction
 - http://en.bitcoin.it/wiki/Myths

 -
2284  Other / Beginners & Help / Re: would someone describe realistic mining expectations on: January 02, 2013, 08:51:15 AM
so if you mine in a pool, if the pool gets a block, everyone gets a share of the reward right?

Depends on the pool and the payment method.  And the payout is going to be relative to the amount of work performed, so not every miner gets an equal share.  Someone mining with three times the hashing capacity of another gets three times the revenues.

As far as the amount of proceeds from mining that can be expected, that is entirely up to three things:  
1.) The exchange rate at a future point in time.  (That's like on January 1st asking if your investment in AAPL stock will be profitable at the end fo the year.  Nobody knows.)
2.) The difficulty at a future point in time.  (Again, this is unknown.)
3.) The amount of hashing power you are using (and, for calculation, your cost of electricity, and which hardware you have so that the amount of electricity consumption can be estimated).

Given those three, then your returns from mining can be determined.
2285  Bitcoin / Bitcoin Discussion / Re: My roadmap to bitcoins success. on: January 01, 2013, 09:19:35 PM
These simple steps are basicly what Im doing with bitcoin, I'd love to hear suggestions on what the next ones should be and what you guys are doing differently.

Those are laudable!

I've been experimenting with handing out various amounts of bitcoins on paper bitcoins that I carry with me in my wallet.  I do the sending right there from my mobile (usually blockchain.info/wallet, but I also like BitcoinSpinner app) to show how easy it is to pay using bitcoins.

I have explained that I made these paper bitcoins "expirable" and that they need to transfer the funds to their own wallet (usually I give it like a two months before redeeming any unclaimed wallets).  I've been disappointed in how many actually get redeemed.   In many of the scenarios the person I talked to didn't have a smartphone or way to scan the QR code.  I know they can be redeemed by the base58 private key that is printed as well, but that's not a workable solution so I don't put that out there as an option.

I think if there were a store with a QR reader (e.g., that will get you coffee or tea at this shop)  that I could direct these people to they woud be redeemed at a much higher rate.

Also, if I put more than a token amount these probably would get redeemed more often as well.  I do explain that even small amounts can be cashed out to a bank account via ACH (BitMe.com) but I doubt many are going though that effort for fifty cents worth. Smiley
2286  Bitcoin / Mining support / Re: Advise needed on: January 01, 2013, 08:03:28 PM
Whats wrong with LTC mining on  GPU's as ASIC & FGPA dont work for LTC Huh

Presuming you are mining for the purpose of profit, then that's what's wrong with it.   There is none (unless, just like with Bitcoin mining, you pay well below average electric rates.)

At the current LTC/USD exchange rate of about $0.07, that means that the 28K LTC mined each day all together produce less than $2K USD per day.

From another thread:

a bunch will switch to ltc (litecoin) mining

Every time I see that assertion I think of this:




With Bitcoin about $80K USD worth of bitcoins are distributed to the hashing provided by miners.   With Litecoin that is about $2K USD worth of LTC issuance.

Since each addtional GPU becomes essentially another mouth to feed it lowers the revenue for the other miners.  The reason the GPUs will be arriving is because they could no longer mine bitcoin profitably.  They won't stick with mining LTC unless it too can be done so profitably.

i.e., it soon will be time to power down your GPU rigs.

I think most people who are going to jump to LTC will do so hoping the price will increase. But then I wonder, if they're expecting the price to increase just to the point it's profitable, why is the price not going up today, when you can buy them for cheap? My only conclusion: nobody cares.

2287  Bitcoin / Development & Technical Discussion / Re: SatoshiDice, lack of remedies, and poor ISP options are pushing me toward "Lite" on: January 01, 2013, 07:57:13 PM
We're not close to reaching the block size limit

You and I have differing opinions on what "close" is then.

Here are the last 10 blocks:

214657   48.711
214656   31.016
214655   133.286
214654   261.695
214653   15.265
214652   42.617
214651   36.039
214650   204.577
214649   3.489
214648   214.828

The average for these is about 100K.

And it appears to be approaching the rate of 300 transactions per block (about 43K transactions per-day). 
 - http://blockchain.info/charts/n-transactions-per-block?timespan=180days&daysAverageString=7

This is a transaction every two seconds.

A lot of these are microtransactions (e.g., under a dollar's worth of coins) used for wagering, so the blockchain already has a way of limiting those:

Quote
If the blocksize is more than 250 kB, transactions get increasingly more expensive as the blocksize approaches the limit of 500 kB. Sending a transaction when the blocksize is 400 kB will cost 5 times the normal amount; sending when it's 499 kB will cost 500x, etc.
- http://en.bitcoin.it/wiki/Transaction_fees

But twelve months ago no SatoshiDICE existed and nobody knows what 2013's breakaway Bitcoin success story will be but what if there are four of them, each as popular as SatoshiDICE is today.    Then the blockchain size limit (at the current restrictions) will be reached.
2288  Economy / Service Announcements / Re: Bets of Bitcoin - Bitcoin betting on real world events on: January 01, 2013, 05:57:05 PM
It looks like the Reference market was active on Dec 31st (until 17:14) and the event date was Dec. 31, 2012 end of day Eastern Time. Was it known? Huh

http://betsofbitco.in/item?id=503

I see.  Since the bet deadline is always at least one day prior to the event date, there was no reason to change it because the event date did not change -- the reference market was trading on December 31st.   So it doesn't seem justified for the deadline to have changed in this instance.
2289  Other / Beginners & Help / Re: ASICS shipping? on: January 01, 2013, 05:46:09 PM
Hi looking all over the web and cannot find any recent info on ASIC status. anyone know if BFL or any of the others have started shipping ASICS? Or more delays?


This is an ASIC created for bitcoin mining.  One of these hashes at about half the level of what an AMD 7970 does:



Quote
Under ASICMiner’s business plan they do the mining for you in their own facilities with their own staff.  [and pay mining proceeds to shareholders of ASICMINER]

 - http://mineforeman.com/2012/12/28/asicminer-the-dark-horse-in-the-bitcoin-asic-race-may-have-just-come-in-first
2290  Other / Beginners & Help / Re: Bitinstant - only these countries?? on: January 01, 2013, 06:42:53 AM
I need to buy bitcoins using moneygram.
But if I go to bitinstant, when I have to select the country it only shows a few of them, what happened??
I live in Switzerland, and I remember that last month there were a lot more countries available...

They were beta-testing an on-line bank transfer method that was available in a number of countries but then they removed that option.   They didn't yet support MoneyGram from the EU as far as I know.

I see that UKash is available in Switzerland.  That can be used for purchasing bitcoins from VirWoX, BitcoinNordic, and Mercabit.eu.  The rate isn't that great but it is one method.

There are also many, many sellers who will sell bitcoins to you face-to-face:
 - http://localbitcoins.com/country/ch

If you must do MoneyGram, then WM-Center and ECurrencyZone are two of these exchanges that do this:
 - http://en.bitcoin.it/wiki/WM-Center
 - http://en.bitcoin.it/wiki/ECurrencyZone

There may be other methods that work for you as well:
 - http://en.bitcoin.it/wiki/Buying_bitcoins
2291  Bitcoin / Legal / Re: Bitcoin and DWOLLA and CampBX on: January 01, 2013, 01:40:08 AM
So what if I DON'T get money TRANSFERED TO ME, instead "deposited" aaaaaaand then sent to CAMPBX.  Would I still need a permission slip signed by mommie, i mean DWOLLA? 

I can't see how Dwolla would know nor care where the funds deposited to your bank account came from before they pull them to your Dwolla account.

or did I find a loop hole everyone else is already using,

There is only one exchange in the U.S. that still has an anonymous cash-deposit-at-a-bank method.  After depositing cash at a Chase bank into BitMe's account, those funds get credited to the person's BitMe exchange account.   But then those funds are used to satisfy ACH withdrawals so the exchange doesn't need to get those funds to an exchange to "restock".
 - http://www.BitMe.com

There is a bulk buyer who will accept cash deposits of large amounts ($1,000 or more) at B of A, Wells Fargo, or PNC Bank, though they currently are not accepting new clients:
 - http://bitcointalk.org/index.php?topic=87094.0

What they do (very well) is hold a large chunk of funds in reserve so that they can meet daily demand while funds from previous sales are flowing through the bank system.  For example, cash deposits at Wells Fargo might be sent as an ACH transaction to their B of A account which is then used for their payments.  So performing proper cash management is the approach they use to accommodate the delay between when a transaction is initiated and when those funds are available for use at the proper destination.
2292  Economy / Goods / Re: WTS Netflix accounts with 12 months free subscription on: January 01, 2013, 12:22:18 AM
Asking $50 paypal.

Perhaps I don't wish for my PayPal account to be used for this.  Would you accept bitcoins?
2293  Economy / Scam Accusations / Re: Charge-back scam on: December 31, 2012, 10:19:38 PM
My suggestion is everyone stop selling over eBay

+1

If anyone has any advice for how we (and other merchants) might fight against this problem I'd love to hear it...

This person sold four under a unique approach.  I don't see further sales, so I'm presuming it didn't end well:
 - http://www.ebay.com/itm/320981224642
2294  Other / Beginners & Help / Re: Bitcoin sale gone bad on: December 31, 2012, 09:55:34 PM
My question is how that happened?

How what happened?

If you are not familiar with how PayPal operates, they will often place a payment received "on hold" and the reasons vary.  Sometimes they release the funds days later, and other times they don't.

But now you are on PayPal's radar.  If they haven't freezed your PayPal account (and any funds you had not yet withdrawn), it is just a matter of time before they do.

2295  Bitcoin / Legal / Re: Bitcoin and DWOLLA and CampBX on: December 31, 2012, 09:22:27 PM
And it's aggravating that a service offers something that when utilized gets a user suspended.

It is pretty clear:

User Conduct
You understand and agree that you will not engage in the following activities:
● Act as a marketplace and/or exchange for virtual currency products without prior written consent;

That was written SPECIFICALLY with bitcoin in mind.

They can't know that a transfer between two people was for the exchange of baseball cards or bitcoins, so it happens that people successfully trade bitcoins for Dwolla and vice-versa.    But when Dwolla figures it out (it aint that hard to do), they have the absolute right to no longer provide their service to you.

They didn't say "no exchanges ever allowed", they wrote: "without prior written consent".
2296  Other / Beginners & Help / Re: blockchain deposit via phone on: December 31, 2012, 07:24:18 PM
Hope they dont run off with our money...

Looking dodgy atm no word from support and the guys no where to be seen... hmm

You know, ... slinging accusations like that are damaging.  

Do you really believe this service that has been operating for over a year now and provides so much for Bitcoin (nearly all of it free of charge to users, incidentally), is thinking that the best option from here is to throw it all away and run off with your £200 GBP?

Or, might it be that it was a holiday weekend, maybe short staff at Qkos, or at Barclays or a combination of the two?

This isn't the first time you've pulled out the "scam card" as leverage.   From another thread:

Yes like i said my first transaction went fine. this one just seems dodgy

Not saying they scam just wondering whats happening and i hope i get my money

Yes, it sucks when the banking system doesn't work fast and perfect each and every time.  Bitch at Blockchain.info about being slow here.  Bitch about there not being good communications (nothing is on their thread or anywhere else explaining the delays).

But please do not sling accusations that are not deserved.
2297  Economy / Service Announcements / Re: Bets of Bitcoin - Bitcoin betting on real world events on: December 31, 2012, 07:16:25 PM
Reference market was closed for a day and that's a reason to change the deadline?

It is not reasonable to expect that Bets of Bitcoin to be a domain expert regarding every detail of every bet statement submitted.

In this instance,the bet submitter didn't know to specify the proper bet deadline. [Edited] The deadline couldn't be December 31st, because that is the day the event occurs, and thus if it still were open the site would continue taking bets placed after the outcome was already known.   So the earliest deadline for this bet then became December 27th.  [Edit: Incorrect.  The reference market did trade on December 31st.]

This is no different from the message you'll see at a casino: "machine malfunction voids all payouts".

Your wager wasn't lost.  The bets made after the revised deadline were returned to bettors.
2298  Economy / Service Announcements / Re: Blockchain.info - Bitcoin Block explorer & Currency Statistics on: December 31, 2012, 07:01:26 PM
I first noticed something was wrong because my client knew about 2 blocks that blockchain.info didn't...

The issue appears to have been resolved now.

[Edit: The Twitter account had addressed the issue in their status update:

Quote
Apologies for the downtime. Looking into it now.
- https://twitter.com/blockchain/status/285788380099391489 ]

[Edit2:

From another thread:

Sorry everyone one server crashed, should be fully functional now, have a great new year.
  ]
2299  Bitcoin / Technical Support / Re: Help - lost bitcoins!! on: December 31, 2012, 06:58:20 PM
So now I have a choice. Redownload the entire blockchain using this wallet, or use a slightly older backup that was like this one

If you know what the balance should be (i.e., to know if the backup was recent enough) simply rename the existing wallet.dat (to something like wallet.err) and restore from the other backup.   [Edit: Use -rescan if needed] If the balance is correct, use that one.

If that did not have all the keys, then you want to try to salvage the wallet (available since v0.7.1):

* -salvagewallet command-line option, which moves any existing wallet.dat
  to wallet.{timestamp}.dat and then attempts to salvage public/private
  keys and master encryption keys (if the wallet is encrypted) into
  a new wallet.dat. This should only be used if your wallet becomes
  corrupted, and is not intended to replace regular wallet backups.
2300  Economy / Service Announcements / Re: [ANN] 1Broker.com - Trade forex (+BTC/USD), indices, stocks and commodities on: December 31, 2012, 01:34:45 PM
I'm always open for changes and ideas are welcome.

I guess I need to pull out some bigger ammo:

MtGox account got cleared out
 - http://bitcointalk.org/index.php?topic=85533.0

All BTC disappeared from my Mt. Gox account
 - http://bitcointalk.org/index.php?topic=88368.0

Another:
 - http://bitcointalk.org/index.php?topic=80562.msg941759#msg941759

And another: My mtgox account got compromised, what can I do?
 - http://bitcointalk.org/index.php?topic=84585.0

Yet more: MT.Gox account hacked - lost 2k USD - MT.GOX will not explain how.
 - http://bitcointalk.org/index.php?topic=89142.0

And more again: Bitcoins stolen from MtGox
 - http://www.reddit.com/r/Bitcoin/comments/x8lcv/bitcoins_stolen_from_mtgox

And yet more: Stolen from Mt.Gox coins. Help return the coins.
 - http://bitcointalk.org/index.php?topic=119816.0

Or more here: Email from Mt.Gox this morning.
 - http://www.reddit.com/r/Bitcoin/comments/z0na5/email_from_mtgox_this_morning

And even more here: I just had $715 stolen out of my Mt. Gox account.
 - http://www.reddit.com/r/Bitcoin/comments/12j9gi/i_just_had_715_stolen_out_of_my_mt_gox_account

And the biggie: Bitcoinica MtGox account compromised
 - http://bitcointalk.org/index.php?topic=93074.0

With more here: Unauthorized Account Activity on my Mt.Gox Account - Account Compromised/Hacked?
 - http://bitcointalk.org/index.php?topic=94140.0

And on other services as well. Here same thing happened to some GLBSE users:
 - http://bitcointalk.org/index.php?topic=84893.0

And elsewhere, BitMarket.eu in this instance:
 - http://bitcointalk.org/index.php?topic=5441.msg1259168#msg1259168

And now on bitcoin.de as well: Bitcoins stolen from bitcoin.de.
 - http://bitcointalk.org/index.php?topic=130264.0

In none of these was the person using multi-factor authentication. Mt. Gox has had Yubikey support for a while. Mt. Gox accounts now support Google Authenticator as well:
 - https://mtgox.com/press_release_20120605.html


This is advice you will see shared by many here:

If the exchange you are storing funds with doesn't provide OTP, consider using a different exchange:
 - http://bitcoin.stackexchange.com/questions/4113/which-two-factor-authentication-methods-are-available-at-which-exchanges

If you are storing funds in an EWallet, consider using a paper wallet.

Here is a fantastic guide: How to use 2-factor auth on mtgox, even without a smartphone (from a second device, of course, not from the same computer you log in on).
 - http://bitcointalk.org/index.php?topic=111943.0

it's currently more secure than an opt-in GAuth. (for the average user)

You could offer each user the choice -- Master Key or OTP.
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