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3481  Bitcoin / Bitcoin Technical Support / Re: Limited to 10 messages on: October 23, 2012, 09:52:42 PM
I am Limited to 10 personal messages per hour how do I remove this limit? Is there a way to upgrade my membership?

For doing over-the-counter trades, you probably want to get yourself set up with GPG and start using that.  When trading on the forums, you might think you are trading with the trusted forum member but in reality it could be a compromised forum account and you are about to send your bitcoins into some scammer's pocket.  With the -otc Web of Trust (WoT), if the person has authenticated, you then are nearly guaranteed that the party you are trading with is truly the same party whose trust history is well documented.

 - http://www.Bitcoin-OTC.com
 - http://webchat.freenode.net/?channels=#bitcoin-otc-foyer
 - http://www.bitcoin-otc.com/viewratings.php

There's always IRC chat, Skype, GibberBot, text messaging, and Crypto.cat
 - https://crypto.cat

3482  Bitcoin / Bitcoin Discussion / Re: Sending bitcoin to people in distressed economies, countries on: October 23, 2012, 09:46:46 PM
the largest hurdle is the political/ regulatory one. It seems one of the major contributing factors for M-Pesa was because the regulators were willing to look the other way (after a significant payoff no doubt). I'm wondering if there is any possibility of getting around this, while still utilizing this for trade with retailers.

There was just a good summary for outsiders posted:


Quote
M-PESA slipped past financial regulators and banks, who seemed to think little of the service, and by the time it took off, its market position was sufficiently strong that it could avoid the onerous regulation requirements under which banks fall.

That's where Bitcoin is today.


Quote
Other telecoms have replicated M-PESA’s technology, but they’ve yet to replicate its agent network. Load-balancing cash requirements seems to be the hardest piece. (Cash tends to flow from urban to rural areas.)

With bitcoin there would the be the same type of cash management issues.  But the difference is one M-PESA agent isn't going to trade cash with another M-PESA agent because there is no way for them to avoid the payment network fees, (the agent does earn a commission but that is a fraction of the fees).

But with Bitcoin, the fee is a trivial amount.  So the agents at the edge (rural areas) are likely going to be the ones with extra bitcoins and they simply need to find a trade with an agent in the middle that then needs coins to sell to customers in the urban areas or to other traders (local or globally).


Also, something that is interesting:

Quote
Local entrepreneurs who double as M-PESA agents do so not for margin from the service but to drive foot traffic into their stores.


 - http://www.christinacacioppo.com/blog/blog/2012/10/14/notes-on-m-pesa/
3483  Economy / Currency exchange / Re: WTB BTC for GBP Cash, bank transfer, or PP (usd/eur/gbp) on: October 23, 2012, 09:21:20 PM
I would like buy upto 100btc for GBP.

Here is a UK trader:
 - http://bitcointalk.org/index.php?topic=113686.0

And here's a thread which may still be an open offer:
 - http://bitcointalk.org/index.php?topic=115274.msg1242720#msg1242720
3484  Other / Beginners & Help / Re: Any ideas for services? on: October 23, 2012, 07:17:13 PM
any good ideas that I could provide as a service?

That's a pretty wide description.

How about some qualifiers.  Like are you thinking of doing ECommerce where bitcoin is a payment method?  Or something local, like exchange?  Or software or online service?  etc.

If you are just fishing for ideas, then maybe start by describing some skills that you have.
3485  Bitcoin / Bitcoin Technical Support / Re: how to dig through the block chain on: October 23, 2012, 10:40:34 AM
Now my question is that how can I decode those hexa numbers in the middle to reveal the transaction details?

GetRawTransaction
and then
DecodeRawTransaction

 - http://en.bitcoin.it/wiki/Raw_Transactions#decoderawtransaction_.3Chex_string.3E
3486  Other / Beginners & Help / Re: [Resolved] Coinapult ate my money on: October 23, 2012, 03:58:44 AM
I accidentally provided my e-mail address instead of my bitcoin address in Coinapult, provided my pin, and hit send.

Well, it appears you may have uncovered a little bug with Coinapult.

I just replicated this ...   I used coinapult to send bitcoins to an e-mail address, and then from the e-mail sent to that address was the coinapult.com URL with the secret.  When spending from that I pasted the exact same e-mail address, and no subsequent message was received.

So it appears that Coinapult doesn't behave well when withdrawing to an e-mail address that is the exact same e-mail address that the wallet payload belongs to.

This is one for evoorhees or Coinapult's support to look into.
3487  Economy / Exchanges / Re: www.BITSTAMP.net Bitcoin exchange site for USD/BTC on: October 23, 2012, 02:48:39 AM
Looks like site is down again?

Back now.

 - https://www.bitstamp.net
3488  Other / Beginners & Help / Re: [Resolved] Coinapult ate my money on: October 23, 2012, 02:27:19 AM
So my coins (which I have sent to myself) have disappeared, and I'm not entirely sure what to do.

Just to confirm, from Coinapult you sent to your own bitcoin address and that does not yet show that the payment was sent.   

Have you checked Blockchain.info for that address?  That will help in troubleshooting to determine where the problem might be.
 - http://www.Blockchain.info
3489  Bitcoin / Legal / Re: Crowdfunding: Potential Legal Disaster Waiting To Happen on: October 23, 2012, 12:04:28 AM
Most people are too stupid to know what to do with their money.

Most people would be better off with a pension plan than a self-managed 401k.

I'd rather own shares of companies you named, than a kickstarter style startup where 100% losses are all but guaranteed, like "wikispeed."

I see.  You are likely one of those kind of people who think my life will be better without sugary sodas sold in sizes larger than 16 fluid ounces and that, in looking out for my welfare, that practice should be banned?
3490  Economy / Goods / Re: where is the ebay for bitcoins? (non contraband SR) on: October 22, 2012, 11:08:52 PM
Bitmit - but it's currently being auctioned off to new ownership.

Whatever hurdle it was prompting that has since been resolved:
 - http://bitcointalk.org/index.php?topic=41592.msg1287605#msg1287605
3491  Bitcoin / Legal / Re: Crowdfunding: Potential Legal Disaster Waiting To Happen on: October 22, 2012, 10:38:34 PM
Typical crowdfunding investors, even with basic disclosure requirements for participation, won’t have the investment savvy to determine whether an investment is real or a fraud.

tl;dr: People are too stupid to know what the best use is for their money.

They are much better off letting the professionals on Wall Street manage it for them.   If there is no competition for investment, then everyone puts their money into the same pool of equities and thus it is easier for fund managers to make a great profit, even with mediocre choices or worse, from making really risky bets.

The people should be thankful there are regulators stopping such stupidity like dumping $120/year on some stupid idea like this and thinking they will have any equity worth a dime further down the road:
 - http://www.wikispeed.com/WhatWeNeed

Instead they should be investing in only listed securities where because the listed companies file reports you can trust there is no fraud and that you won't lose money:
 - http://finance.yahoo.com/quotes/HPQ,INTC,CAT,MCD/view/dv;_ylt=AtzVn5O1xTuk6.Mfsa8sAPcLv7gF
3492  Economy / Service Discussion / Re: MtGox - does sending to a mtgox bitcoin address always show in the chain? on: October 22, 2012, 10:22:12 PM
I seem to recall MtGox arranging it so that if you sent bitcoins from your MtGox account to an address associated with another MtGox account they didn't bother making the bitcoin transaction and just credited the account. Does anyone know if this still their policy?

Yup, by default if the recipient address is for another Mt. Gox account, the transaction is internal and never hits the blockchain.

You can mark the checkbox "Open Transaction" for it to always use a blockchain transaction regardless of whether or not the recipient is on Mt. Gox.

 - http://en.bitcoin.it/wiki/MtGox#BTC_2
3493  Bitcoin / Bitcoin Discussion / Re: $1.31 extra fee to use the magnetic strip on payment cards on: October 22, 2012, 09:40:29 PM
Visa offers chipped cards in the US

Those from the U.S. who frequently travel abroad avoid the hassle of trying to swipe by getting a chip n pin (or chip n signature) from an issuer that offers them.

 - http://www.flyertalk.com/forum/credit-card-programs/1304271-usa-emv-cards-available-today-chip-pin-chip-signature.html
 - https://docs.google.com/spreadsheet/ccc?key=0Ani-u3tGk5hedGRvcE1ELVg5UmlGZk01SHZvTUMxdUE#gid=0


The problems seems to be a lack of merchants with the technology to read them.

And they probably won't add it until they are forced to.  

Which makes David Birch's tweet from this morning timely:

Quote
MasterCard are "firm believers in chip and PIN" but are not going to mandate it #money2020
- https://twitter.com/dgwbirch/status/260409853506359297

As is another of his:

Quote
Remember the key statistic: US is a quarter the world's card volume, half of the world's card fraud #money2020
- https://twitter.com/dgwbirch/status/260424195723382785
3494  Economy / Trading Discussion / Re: Stolen from Mt.Gox coins. Help return the coins. on: October 22, 2012, 09:32:03 PM
So you were hacked and someone stole all your BTC?

A lot of that going on.

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

Or 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

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:
 - https://mtgox.com/press_release_20120605.html


Here is a fantastic guide:

How to use 2-factor auth on mtgox, even without a smartphone
 - http://bitcointalk.org/index.php?topic=111943.0
3495  Bitcoin / Bitcoin Technical Support / Re: how to dig through the block chain on: October 22, 2012, 09:12:54 PM
I would like to do something like this:

Code:
  all_the_transactions_in_the_chain.each { |t|
    puts "#{t.inputs.join(',')} -> #{t.outputs.join(',')}"
  }

Access to the details (inputs and outputs) of a transaction come from Raw Transactions:

 - http://en.bitcoin.it/wiki/Raw_Transactions

To get it in a single query like that, you'ld need to populate a datastore yourself.

And is it possible to write a piece of code that gets called on every confirmed transaction as the bitcoin client gets this information?

Confirmed transaction, or just any new transaction?

The API command "listsinceblock" will let you know new transactions, and then the Raw Transactions will give you the details on it.

[Edit:
I don't want to use blockchain.info, blockexplorer or any other sites.

There are other tools that can help as well.  Armory provides easy access to blockchain data, see the "Extras" folder.   Also libBitcoin might provide this to you as might ABE blockchain explorer source.]
3496  Bitcoin / Bitcoin Discussion / Re: Reminder: you can and should abort in-person currency trades at any time on: October 22, 2012, 08:39:07 PM
I haven't done any in person trade, so how does it work? does the person hand you the cash first? or do you send them the BTC first?

If it is just an over-the-counter (OTC) transaction, like from an offer to buy on Craigslist, then you'll want to make sure to meet in a public place.

LocalBitcoins suggests:

Quote
Remember to propose meeting place
Good meeting places are public cafes and restaurants with wifi-connection.

With LocalBitcoins, they have this "Transactions" feature which works as an EWallet with additional useful features for doing face-to-face trades (e.g., after releasing the bitcoins to your account, the seller is sent an SMS text message with the release code that was previously known only to you.)

As far as cash first or BTC first, it probably works best when the buyer presents the cash  and counts it.  The terms of the trade are verified, and then the bitcoins are sent.  Upon receipt of the coins the buyer then hands over the cash and the trade is complete.

Of course, this gives the opportunity for the buyer to run off without handing over the cash.  If that is a concern you as the seller may wish to ask for someone to witness the sale, or perhaps even have an intermediary hold onto the buyer's cash before sending the coins.

The recommendations from the wiki are still valid:

Quote
Make sure both parties agree to the terms of the trade with signed messages
This allows either party to go public if the trade has become sour and stops your trading partner from claiming the details of the agreement were somehow different.
(now a face-to-face trade doesn't have to be GPG signed, but an invoice reviewed in advance would be the equivalent)
 - http://en.bitcoin.it/wiki/Secure_Trading

As a buyer in a face-to-face trade that is not being done through LocalBitcoins.com, you might want to consider the risk of a double spend from a 0/unconfirmed transaction -- especially for any transactions that are for larger amounts.    These are relatively rare and hard to successfully pull off, but if a $500 wad of cash is at stake, you might want to wait until there is at least one confirmation first before completing the trade.
3497  Other / Beginners & Help / Re: Bitcoin Economy... Where are the legit merchants? on: October 22, 2012, 07:47:09 PM
I seem hard pressed to see where there's a solid exchange of this currency between consumers and retail/service businesses.

See, back in 1991, an engineer at CERN was sharing with his peers and anyone else who would listen this invention of his from a couple years earlier.  You might not recognize it, ... but here's what it looked like:




It wasn't an instant success -- for content producers it was more difficult to set up and use than alternatives, and the experience was less than ideal for the content consumers.

Of course, that is the WWW before the graphical browser arrived -- the exact same thing you are using to view these words right now.

That's where Bitcoin is yet.  It is known the potential of a decentralized digital currency.  Bitcoin works as a cheaper, faster and better international wire transfer (for transferring the currency BTC), it works as an alternative to Western Union,  it works for retail payments ... like for this cupcake shop:
 - http://cupsandcakesbakery.com/2012/10/buy-cupcakes-with-bitcoins/

or for a cab driver:
 - http://www.youtube.com/watch?v=scGM3nRsrlY

What Bitcoin doesn't come with is a guarantee or a big corporate backer.  Neither did Tim Berners-Lee's world wide web.  It took a while before the right combination of things came together (several years later, incidentally) before the technology changed our world ... in a huge way.

So, does Bitcoin today have any large "legit" merchants?  No, there's no national Starbucks chain yet where bitcoins are accepted.  Does that mean there won't be in the future?   I wouldn't bet on it.
3498  Bitcoin / Bitcoin Discussion / Re: Reminder: you can and should abort in-person currency trades at any time on: October 22, 2012, 07:20:04 PM
So, you met with a cop who was trying to entrap you...

Oh sure ... law enforcement trying to entrap someone?   Like what you see on TV?  That doesn't really happen, does it?

- http://www.ktvb.com/news/134150428.html

3499  Economy / Gambling / Re: Any good bitcoin slots? on: October 22, 2012, 06:46:53 PM
There don't seem to be any?

Especially no registration instant cash in/ cash out ?

Mem's List
is the comprehensive list of Bitcoin gaming.  It list several sites with slots:

 - http://bitcointalk.org/index.php?topic=75883.0
3500  Other / Beginners & Help / Re: Bitcoin Anonymity on: October 22, 2012, 06:44:42 PM
Bitcoin is designed to be anonymous.

Not true.

Bitcoin is meant to be pseudonymous.  There's a difference.

From the Bitcoin wiki:

Quote
While the Bitcoin technology can support strong anonymity, the current implementation is usually not very anonymous.
- http://en.bitcoin.it/wiki/Anonymity

If it were anonymous, Goat's 400 BTC would still be gone:
 - http://bitcointalk.org/index.php?topic=82600.0
 - http://bitcointalk.org/index.php?topic=113389.0  <-- Another example.

And if Bitcoins were anonymous, this wouldn't be possible:



 - http://toolongdidntread.com

Now as far as it being possible to use bitcoin in an anonymous manner, can you identify a single thief from the following?

1. MyBitcoin Theft (1110544 $)
2. Allinvain Theft (502750.20 $)
3. July 2012 Bitcoinica Theft (305200 $)
4. Bitfloor Theft (248088 $)
5. Linode Hacks (230468 $)
6. Bitomat.pl Loss (236000 $)
7. Stefan Thomas Loss (128000 $)
8. Tony Silk Road Scam (100000 $)
9. May 2012 Bitcoinica Hack (91306.46 $)
10. Bitcoin7 Hack (50000 $)
11. June 2011 Mt. Gox Incident (46970.91 $)
12. BTC-E Hack (42000 $)
13. Mooncoin Theft (24000 $)
14. Betcoin Theft (15509 $)
15. February 2012 Bitcoinica Theft (15000 $)
16. Bitcoin Syndicate Theft (12134.61 $)
16. Ubitex Scam (11668.70 $)
17. Andrew Nollan Scam (10978 $)
18. October 2011 Mt. Gox Loss (8115.12 $)
19. Bitscalper Scam (5000 $)
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