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901  Bitcoin / Mining / Re: How many ASIC miners are in operation? on: May 16, 2013, 06:28:48 PM
So anyone got a guess how many ASIC devices are out there right now in operation? If you do try and show some working out of how you got to you conclusion Smiley

Back in February, before the first ASICMINER chips went into production which was just before the first two Avalon ASICs shipped, there were 22 Thash/s of capacity.   Today there is 85 Thash/s.   Even with the rising exhange rate, there is likely less GPUs mining bitcoins today than in February since there was probably more that defected to Litecoin (due to Litecoin mining being a little more profitable than Bitcoin mining even, over the past couple months) than came online since February.  And almost nobody is buying FPGAs anymore.  So it is probably safe to conclude that about 63 Thashs/s of ASIC mining capacity has come online. 

I don't know the distribution as far as how much is ASICMINER's that they are using for their own mining, versus the shipments of Avalon ASICs and BFLs.

If that capacity were all Avalon ASICs, that 63 Thash/s would represent about a thousand units (and they've not shipped anywhere near that).
902  Bitcoin / Development & Technical Discussion / Re: Tracking new payments to address: please help on: May 16, 2013, 03:19:27 AM
How to poll the client
Could you please provide steps/commands?

The listsinceblock API command will return txids of all transactions since the block specified.  So if the block specified (by its block hash) is the last block received then the txids returned will be those in the node's memory pool.

Then from the results of that, getrawtransaction [txid] on each will return the info necessary to determine if the transaction has an OUTPUT to the address you are monitoring.

Here's the API calls list:

Here's a link to an example of accessing the API using Python:  (examples of other languages are on the same article)
903  Bitcoin / Development & Technical Discussion / Re: Tracking new payments to address: please help on: May 15, 2013, 12:02:27 PM
What is a command line for bitcoind, to find, if payment arrived to a given address?

If it is not an address in the wallet, then you will need to poll the client to learn of new transactions and then for each do a getrawtransaction to determine if the address is one that you are monitoring.

904  Economy / Speculation / Re: Wall Observer - MtGoxUSD wall movement tracker - Hardcore on: May 15, 2013, 11:32:25 AM
Keyword being LEGAL tender.

You are misunderstanding the term "legal tender".

A medium of payment allowed by law or recognized by a legal system to be valid for meeting a financial obligation.

So that doesn't mean using anything else to pay is illegal, it simply means I cannot force you to pay in anything other than the medium defined by law as legal tender.   If you and I want to trade using seashells (which are anonymous, and can be traded anymously), that is not using legal tender but it most certainly is not prohibited by law.
905  Economy / Gambling / Re: [BITLOTTO] Mar 1 draw over $2000 or 50BTC! Tickets now 0.1 BTC for Apr 5 on: May 15, 2013, 11:12:27 AM
I may be ambitious, but I want something like this to continue,

The draw for me (no pun intended) was that this could operate really inexpensively.  Since the blockchain was used for wagers, there was really very little overhead.  So a lottery that was provably fair and had 99% payout was for the first time ever, possible.

No there is really little noticeable difference between 99% payout and 98% payout.  So you get with SatoshiDICE the same potential payout (e.g., 1 in 500 chance of winning but a ~500X return on your wager) with only a slightly lower vig.

So there's really less need for a BitLotto to exist anymore.   The dopamine hit from SatoshiDICE comes sooner than the weekly lotto.
906  Bitcoin / Bitcoin Discussion / Re: Bitcoin 2013: The Future of Payments - San Jose, CA - May 17-19, 2013 on: May 15, 2013, 11:01:36 AM
Side topic possibly some Pizza for the crowd

Incidentally Saturday, May 18th, is the 3rd anniversary of Laszlo's offer to pay 10,000 BTC to have 2 pizzas delivered to him.

There were some nibbles but nobody confirming they would do a deal, so three days later Laszlo asks:
 "So nobody wants to buy me pizza?  Is the bitcoin amount I'm offering too low?"

And following that a deal was struck. Two pizzas delivered for 10K BTC.
907  Economy / Speculation / Re: Wall Observer - MtGoxUSD wall movement tracker - Hardcore on: May 15, 2013, 10:55:37 AM
Im not a law expert so grant me that.  But in most developed countries, sending anonymous payments to anonymous users, tax free, and/or using an alternate currency within those borders is absolutely a violation of law.  It is in the US for sure.

FinCEN just provided guidance stating that Bitcoins can be used to pay for purchases from merchants.  

This is irregardless of the merchant remaining anonymous and/or the customer operating anonymously.

So, anonymous payments to anonymous users is most certainly not something FinCEN has indicated that it has any problem with.   Now, of course, if that transaction incurs a tax obligation, simply because it was paid using Bitcoins does not remove any obligations, so taxes would still be do.  But that doesn't make using Bitcoin illegal.

Care to clarify your statement?  
908  Bitcoin / Bitcoin Discussion / Re: Why Homeland Security might be the best thing to happen to Bitcoin on: May 15, 2013, 10:44:21 AM
Okay, as an American

You might want to put an asterisk on that statement:

Would anyone be interested in a Bitcoin meetup here in Milano?
909  Bitcoin / Development & Technical Discussion / Re: [pull] Remove send to IP address and IP transactions support on: May 15, 2013, 10:28:31 AM
Sorry for necrothread, but to bookend this thread:

As-of v0.8.0, the Bitcoin-Qt/bitcoind client no longer includes the code for IP transactions.
910  Economy / Service Discussion / Re: In reality, it may be cheaper not using Dwolla on: May 15, 2013, 03:16:42 AM
I think Coinbase is going to get a lot of Dwolla's business now.

Yup.  If Coinbase hadn't gotten their cash infusion (last week's $5M investment round), I would have been more concerned about this development with Dwolla. 

It still leaves us with too few methods to easily transfer fiat to and from bitcoins.

I'm hoping to learn a little more about Ripple over this weekend.  Hopefully we can start solving this problem ourselves in a manner in which a piece of paper from DHS has no impact.
911  Economy / Service Discussion / Re: Dwolla no longer allowed to deal with Mt. Gox? (DHS Shut them down?) on: May 15, 2013, 02:41:22 AM

3) DHS didn't seize anything, they simply stopped Dwolla from doing business with GOX

You must have a different definition of "seize" than the rest of the world.

Dwolla called it what it is ... "seize":

seizing the account of Mutum Sigillum LLC (“Mt. Gox”),

Also, Camp BX still allows Dwolla transfers, so the following is specific to Mt. Gox:

The bottom line is that you cannot convert BTC into USD via Dwolla, that's all.
912  Economy / Trading Discussion / Re: Best trading practice and tax obligations on: May 15, 2013, 02:30:56 AM
so I understand the exchange rate would have to be high to cover the 5% but can anyone share info regarding tax / financial obligations?

It is hard to understand your question.

If you sell a digital item for PayPal and as the seller there are tax / financial oblications, then you still would have those same obligations whether you accept wire transfer, or cash, or bitcoins.

Here's more info:

* People might be interested in purchasing digital product with their BTC but people with the digital product might not be interested in cashing out to BTC or vice versa

If you want to sell something in exchange for bitcoins but not hold bitcoins then you can use a payment processor so that there is no (zero, nada, 0.0) exchange rate risk to you.  Meaning you sell an item for $10, you get $10 sent to you (less payment processor fee, of about 1%).  (Of course, there could be bank transfer fees for the payouts as well, but those are trivial in the U.S. and many other places.)
913  Economy / Currency exchange / Re: Dwolla <-> MtGox under investigation? on: May 15, 2013, 02:15:46 AM
I thought Dwolla only processes fiat, not actual BTC.

Dwolla account-to-account transfers are one of the funding methods to send funds to Mt. Gox or to withdraw from Mt. Gox.

There are a half dozen threads on this development.  Here's one with more info:
914  Economy / Service Discussion / Re: Where wil Ex-Gox users be going? on: May 15, 2013, 01:55:06 AM
So, where do we suspect they will most likely go?

Buying or selling?

When buying at Coinbase there's frequently the situation where they are out of stock, but you can usually always sell through them.  So the 1% fee there plus there might be a little wider spread between the bid/ask versus Mt. Gox, but ether way, it's pretty competitive.  The funds arrive via ACH direct deposit the same way that Dwolla withdrawals arrive.
915  Bitcoin / Technical Support / Re: Thanks, two more questions please? on: May 15, 2013, 01:19:15 AM
I am running qt version 4.8.3.

Sanity check.   Qt is the framework.  Bitcoin-Qt is an application.

You can see the version of Bitcoin-Qt by Help -> About Bitcoin.  [Edited, thanks Cyberdyne]
916  Bitcoin / Technical Support / Re: Thanks, two more questions please? on: May 15, 2013, 01:16:11 AM
will I have difficulty receiving bitcoin and be out of sync, as described in here

Yes, as soon as there is a block that exceeds the max (expect it sooner rather than later), then your 0.4.8 will no longer take blocks.

You can also use v0.4.9 backport:
917  Economy / Service Discussion / Re: What is the easiest/cheapest way to get USD out of gox to bank on: May 15, 2013, 12:58:48 AM
Buy BTC on Mt Gox, withdraw BTC to Coinbase, sell BTC for USD.

Or sell on Gox, xfer to CampBx sell BTC for USD...and withdrawl immediately to 1% coinbase fee either.

And depending on which way the market sits at that moment of time you might actually get a higher selling price on Camp BX than on Mt. Gox, probably as the result of Camp BX being the only place that those with Dwolla can still buy bitcoins, and thus willing to pay above the Mt. Gox spot rate.
918  Bitcoin / Technical Support / Re: May 15 omg what do I do? on: May 14, 2013, 11:46:21 PM
15th May has arrived and I haven't yet done anything cos I didn't get chance.

Are you referring to the May 15th hard fork?

You don't need to do anything if you are using the Bitcoin-Qt/bitcoind client software v0.8.x or higher.

If you are using an older version of the client, you simply need to be using a version that supports more transactions per block.  This means v0.7.3 instead and other v0.7.x you might be using.  Or just go to v0.8.1.

Upgrading is simply installing the new client.  It will not erase your existing wallet, so there's no wallet migration or anything like that.

You will want to make sure you have a current backup before upgrading (well, you always want to make sure you have a current backup).

So is that what you meant about "May 15th"?

919  Economy / Service Discussion / Re: Now that Dwolla is gone, what is the cheapest way in US to get $ in/out of MtGox on: May 14, 2013, 11:18:05 PM
What our other options

This is becoming an XY problem.  

You describe the problem in moving money to Mt. Gox.   But you probably don't really want money at Mt. Gox, you want bitcoins.  [Edit: Unless you are an arb trader or market timer, then you truly want to move USDs.]

Does that help to solve your problem?
920  Bitcoin / Meetups / Re: Any Bitcoin Meetups in the Los Angeles or Orange County Areas? USA on: May 14, 2013, 10:35:35 PM
Are there any new meetups happening in the LA area soon? I'd like to get together and grab lunch and discuss bitcoins with some like-minded people.

There are meetups in San Diego May 28th and June 3rd.

There are no scheduled events for LA:

You could simply give a date, time and location and see who shows up.     

There are enough people in the area involved in (or wanting to become involved in) Bitcoin for these meetups to become worthwhile.  Amazing to see it gain traction in the Bay Area so quickly and yet be relatively unseen here in L.A.
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