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1001  Bitcoin / Bitcoin Discussion / Re: A potential Bitcoin competitor? on: May 14, 2013, 05:23:33 PM
IF they were smart they would do it with Bitcoin. :-)

Maybe that's something already in the roadmap?

Look at the competition:


“There may be ways to enable [Bitcoin] inside PayPal.”
 - John Donahoe, CEO eBay

"If Bitcoin continues to grow and the value is defined more internationally, we may find an opportunity for Bitcoin to be used to pay for commerce transactions through a Western Union business solution,"
 - David Thompson, CIO of Western Union


Their decision to restrict withdrawals to bitcoin exchanges may have been just temporary until they have further compliance procedures in place, but there's no technical or business reason they couldn't extend their list of currencies to include BTC.
1002  Bitcoin / Bitcoin Discussion / Re: The Slow confirms, solutions, discussion. Wide adoption on: May 14, 2013, 03:04:33 AM
Once a btc transaction is confirmed, it cannot be reversed.

There word "confirm" is used incorrectly sometimes.  I'm assuming you mean confirmed as having six confirmations.   Sometimes I see reference to a transaction with a single confirmation as being confirmed.   A transaction with one confirmation can be reversed and that has been seen on the bitcoin network occasionally in the past.


I would really really like to use bitcoins every day, for every day purchases, and as a merchant. Many talk of wide adoption.

But transactions are SLOW.

Incidentally, any discussion of accepting zero confirmation (0/unconfirmed) transactions should be aware of then potential for miners to begin using this on the production Bitcoin network:

Initial replace-by-fee implementation is now available on testnet
 - http://bitcointalk.org/index.php?topic=199947.0

Reminder: zero-conf is not safe; $1000USD reward posted for replace-by-fee patch
 - http://bitcointalk.org/index.php?topic=179612.0
1003  Bitcoin / Bitcoin Technical Support / Re: Generating Bulk Mini keys? on: May 13, 2013, 05:45:14 AM
Is there currently a method by which a large number of mini keys can be automatically generated?  If not, would it be possible to develop an application which accomplishes this? 

I'm wondering if mini keys are generated with this:
 - http://github.com/casascius/Bitcoin-Address-Utility
1004  Bitcoin / Development & Technical Discussion / Re: Help me understand transactions please on: May 13, 2013, 04:22:32 AM
 - http://en.bitcoin.it/wiki/Change
1005  Bitcoin / Bitcoin Discussion / Re: The economic impact of too many physical bitcoins on: May 13, 2013, 04:19:36 AM
One way to alleviate this is by doing a 'stock split' and making mBTC the standard unit of account, or redefining 1 BTC to mean what we now consider 0.001 BTC, which would suddenly increase the number of 'coins' in each person's wallet by 1000X.

Stock split is not the correct term to use there.
1006  Bitcoin / Bitcoin Discussion / Re: Bitcoins in South America on: May 13, 2013, 04:11:24 AM
I'm currently travelling South America and I'm wondering if anyone knows of any restaurants, (or other tourist stuff) in Chile, Argentina, Uruguay, or Brazil that accept bitcoins as payment?

AntiDomingo in Buenos Aires, Argentina.
 Found through: http://bitcoin.travel

Las Magrelas bar, Sao Pauolo, Brazil:
 - http://lasmagrelas.com.br
 Found through: http://coinmap.org
1007  Bitcoin / Bitcoin Discussion / Re: 51% attack is a myth on: May 13, 2013, 02:29:16 AM
In all actuality, succeeding with a 51% attack will reap exponential returns provided the attack is not immediately detected and does not cause an exodus from Bitcoin.

Executed correctly, a 51% attack will reap greater returns than directing that 51% of hashing power to mining.

For a 51% attack to be successful at double spending the attacker needs to hold solved blocks and then broadcast them all at once and overtake the longest chain in which confirmed transactions (6 blocks) are double spent.  How do you do that and it not be immediately detected?
1008  Bitcoin / Bitcoin Discussion / Re: 51% attack is a myth on: May 13, 2013, 02:24:43 AM
a 10% or 51% attack is possible

Ok, let's clarify one thing.

This claim that getting a miner having 10% of the hashing capacity to be able to reject transactions is referring only to being able to get six blocks in a row.    This is no different than coin flip trials ... yes eventually you will get six tails in a row.  Eventually you will get sixteen tails in a row.    Eventually you will get six thousand tails in a row (though chances are none of us would live long enough to see it happen).

Now, because there is a financial penalty for each failed attempt (as you are using expensive hardware and consuming elecricity, but not earning any bitcoins on the failed attempts) then there is less and less chances that you will make this attempt.  The logic is, if you have 10% of mining capacity you might as well mine and earn 10% of the bitcoins issued.

Next, let's say that someone does take their million dollars worth of ASICs and do this to prove a point.  OK, so they try for an entire month and do actually get six blocks in a row.   They won't get seven though.  Not with only 10%.  So at best, this attack will cause double spending to occur for transactions in the first block for each side of the blockchain fork.     But the attacker is going for an entire month of trials, not knowing which block will be the one that the attacker follows by mining five more in succession.  

So sure, you might get six blocks in a row.  But you aren't going to be causing much financial harm as a result.  Every exchange has AML policies requiring identity for any significant amounts of funds (e.g., amounts over $1K USD per day withdrawal).   You might be able to get a withdrawal out.  It won't be a significant amount though.

So yes, an evil miner with 51% attack with 51% of the hashing power would be terrible for bitcoin.  

But an evil miner with 10% of the hashing power and a good string of luck would simply be providing a learning lesson (e.g., for an exchange/E-Wallet provider to start requiring more than six confirmations for larger transfer amounts ...  something one might realize might have already been put in-place. if you have your ear to the ground.)
1009  Bitcoin / Bitcoin Technical Support / Re: How to generate Bitcoin Address? on: May 13, 2013, 12:51:10 AM
Yes, plz. I'm quite interested in this and would like to know more.

 - http://bitcoin.stackexchange.com/q/4675/153
 - http://bitcoin.stackexchange.com/q/3041/153\
 - http://bitcointalk.org/index.php?topic=78132.0
 - http://github.com/weex/addrgen
 - http://bitcointalk.org/index.php?topic=187269.msg1939621#msg1939621
1010  Economy / Service Discussion / Re: blockchain.info removed their search feature? on: May 13, 2013, 12:23:37 AM
They just removed search input field from the middle of the home page. You can still find it in the header.

This sucks.

If I am on a smaller display I can't see any search field as the browser window isn't wide enough and it shows no horizontal scrollbar.

Even on my laptop I don't see it until I make the browser window wider.
1011  Economy / Service Discussion / Re: How long does Mt Gox Dwolla deposit take? on: May 12, 2013, 11:53:48 PM
I just did my first Dwolla to Mt Gox transfer and it was 7 hours ago and still no funds are showing up in Gox.

Do you have a verified account at Mt. Gox?

Mt. Gox will only process Dwolla transactions for Verified accounts.
1012  Bitcoin / Bitcoin Discussion / Re: 51% attack is a myth on: May 12, 2013, 04:12:03 PM
even just slow down traffic at the right moments for the right servers, and a 51% attack turns into a %10 attack.

Source?
1013  Bitcoin / Bitcoin Discussion / Re: A new Catchy name for 0.0001 BTC? on: May 12, 2013, 04:00:18 PM
Maybe we should have Bitcoin in base 2 too?

Like this?
 - http://en.bitcoin.it/wiki/Tonal_Bitcoin
1014  Bitcoin / Bitcoin Discussion / Re: Offline Paper Wallet Creator - Raspberry Pi? on: May 12, 2013, 07:01:17 AM
And another:

Standalone Bitcoin Offline Wallet Printer Demo
 - http://www.youtube.com/watch?v=noW77GqmNBQ
1015  Local / Alt Coins (India) / Re: Whats the deal with this so called "IndianCoin" ? on: May 12, 2013, 06:51:05 AM
Else someone else from 'LA' is going to be doing it.

I resemble that statement!   Cheesy

But you should be grateful it wasn't someone from India rolling out this IndianCoin alt coin, as later when asked you can give the assurance that it wasn't done by anyone from India and that there no Indians were being solicited as a result.

Now where opportunities lie may be with something like this:
 - http://www.youtube.com/watch?v=noW77GqmNBQ

That gives a way for a person without a smartphone or with technical skills to securely print a paper wallet at home.  That paper wallet can then be used to receive bitcoins from anyone with a smartphone, or from a Bitcoin ATM, for instance.
1016  Bitcoin / Bitcoin Discussion / Re: Videos of Bitcoin on: May 12, 2013, 06:16:01 AM
Brian Warner of Mozilla gave a talk:
 - http://vimeo.com/27177893

Also, there are a few hundred videos -- mostly Bitcoin-related, here:
 - http://www.youtube.com/user/bitcoinmoney/feed
1017  Bitcoin / Bitcoin Discussion / Re: A new Catchy name for 0.0001 BTC? on: May 12, 2013, 01:45:54 AM
Anyway, I'd say 0.0001 BTC is called "a hundred microBit" or "point one milliBit".

In writing: 0.1 mBTC or 100 uBTC

I agree with this.  Keep it simple.

Agreed here as well.  

Just like we didn't automatically switch to using mBTC once a bitcoin passed parity with the dollar, there won't be any urgent need to jump to uBTC once prices below a single mBTC are more common.
1018  Bitcoin / Bitcoin Discussion / Re: Time for a renewed push to get EFF to accept Bitcoins? on: May 12, 2013, 01:13:58 AM
buy a bundle for any desired amount of BTC and putting 100% on charity, assigning everything to EFF.

Ha, nice!

It will be interesting to see how they react to that!
1019  Economy / Marketplace / Re: Shorting Bitcoins on: May 11, 2013, 09:02:26 AM
bump

There really aren't too many methods to short.  That's why there is so much volatility -- no way for people to bet against the price increase.

 - http://en.bitcoin.it/wiki/Trade#Financial

If you look at the beta trial mode that Kraken.com has currently, you can see what they offer.  Coinsetter might be another.    If you have bank (and aren't from the U.S.) you might want to consult BitcoinFund.eu as they might offer short selling to you.
1020  Bitcoin / Press / Re: 2013-05-10 TVNZ: Kirk Hope on Bitcoin + News Segment on: May 11, 2013, 08:59:08 AM
"We've got some AML legislation coming on the 30th of June"

And he comments on this from an earlier report:
 - http://newzealandonlinenews.co.nz/2013/01/08/kirk-hope-banks-to-play-part-in-combating-money-laundering/

So it looks like NZ is just now going to start requiring KYC.
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