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681  Bitcoin / Mining / Re: Soft block size limit reached, action required by YOU on: March 07, 2013, 03:48:08 PM
Bitcoin needs to be able to handle 5000 transactions per second, eventually.

Was that "eventually" intentional? Do you think the limit should be set now to accommodate the anticipated future volume?  If so, are you not concerned with the incentive structure you are imposing between now and then?  Or did you think that the limit should be dynamically adjusted as we go, to (almost) accommodate the growth?
682  Bitcoin / Mining / Re: Someone just paid 94.35425882 BTC in transaction fee on: March 07, 2013, 03:42:03 PM
I certainly hope some attempt is being made to return this obvious mistake back to the person who made the transaction.
Ahahaha you so funny  Cheesy

No, he was not funny. Your comment, however, is alarming.

P.S.

https://bitcointalk.org/index.php?topic=135665.msg1445271#msg1445271
683  Bitcoin / Mining / Re: Soft block size limit reached, action required by YOU on: March 07, 2013, 03:18:06 PM
I actually want to see the block size limit removed, Bitcoin to scale up, and after that sort of thing is done SatoshiDice type sites won't be as much of an issue anymore. I think Gavin feels the same way, as does sipa. Not sure how Matt feels.
@Mike: for the sake of informed discussion here, would you please briefly explain the economics of fees in the scenario you are proposing? What is the incentive for payers to include fees, and for miners to keep mining?
684  Economy / Speculation / Re: Wall Observer - MtGoxUSD wall movement tracker on: March 07, 2013, 07:19:34 AM
bid:
Code:
{"price":41.98249,"amount":0.60588901,"price_int":"4198249","amount_int":"60588901","stamp":"1362640578451386"}

ask:
Code:
{"price":41.99,"amount":2.77669946,"price_int":"4199000","amount_int":"277669946","stamp":"1362640351466215"}

685  Economy / Service Discussion / Re: Official Gox / CoinLab Integration and Transition FAQ on: March 07, 2013, 07:10:42 AM
Trojan Horse. US government will close the business as soon as they will have all information they need.You have been warned

Dude. Please.  The US government already has all the information they need, and some more. MtGox intermediate servers are in San Jose, California - even in this thread MT reminded us of that.

Even the "Canadian" exchange Cavirtex - and I've been their happy customer for a long time - is registered as a .com with at least some infrastructure physically in the U.S.
Quote
tech-c-firstname:                Hostmaster
tech-c-lastname:                 ONEANDONE
tech-c-organization:             1&1 Internet Inc.
tech-c-street1:                  701 Lee Rd.
tech-c-street2:                  Suite 300
tech-c-pcode:                    19087
tech-c-state:                    PA
tech-c-city:                     Chesterbrook
tech-c-ccode:                    US

Now, you are aware of the provisions of the PATRIOT Act, right?  What's all this bullshit about U.S. government "needing all the information"Huh They have all the information, and they've had it for a long time. And Bitcoin is doing just fine. So quit bullshitting about the government, and let's focus on real and practical issues here.

686  Bitcoin / Bitcoin Discussion / Re: 50 million Bitcoin users by the end of 2013? on: March 07, 2013, 06:19:07 AM
Is it even possible to measure how many bitcoin users we currently have?  We can count unique addresses, but most bitcoin users have more than one address and some have many.  I think transaction volume is really the only way to measure an increase in adoption of bitcoin.  

I think transaction volume vastly overstates real trade activity since there is a lot of bitcoin shuffling that happens with people moving from one wallet/address to another and coin mixing bots, etc. In fact, I don't see how you can get those kinds of figures without doing surveys of users ... the blockchain might then be used to correlate some of that data for extrapolations at a later date ...

Large exchanges could provide valuable service to the community by publishing aggregated, anonymous data about the user base. With a little bit of effort on their side we could get a decent estimate about the numbers of active users, frequency of use, etc. Gox was on the good path with their transparency report, but I haven't seen any new ones recently.  The whole "trade secret" and "business intelligence" excuse to not publicize the data is mostly bullshit. It would not hurt anyone to make the information public.

On the other end, counting unique public addresses in the blockchain, together with some intense analysis of transactions could at least provide the maximum number of users - that is, we would know for sure that there is less then X million of people using the currency.
687  Economy / Speculation / Re: Help me to understand current BTC fluctuation on: March 07, 2013, 06:07:27 AM
what you suggest personally
as i don't have inner knowledge of btc
so i am not sure to hold btc or sell them?

The worse thing you possibly could do is take financial advise from strangers on the internet.






The best thing you can do is spend a little bit of time reading and understanding how bitcoin works, how traditional currencies work, and how markets work. Do not waste time on people's opinions and wishful thinking, just try to get facts straight and develop your own understanding.
688  Bitcoin / Hardware wallets / Re: [ANN] Trezor: Bitcoin hardware wallet on: March 07, 2013, 04:18:36 AM
having an A-type male connector doesn't prevent you from using a cable!

Unfortunately having a B-type female connector does prevent you from using it when you don't have a cable.  Which means that you pretty much have to carry around a cable -- doubling Trezor's effective size -- in order to realize its "secure bitcoin operations via random insecure desktops" vision.
This makes perfect sense. Please consider the A-type male connector.
689  Bitcoin / Bitcoin Discussion / Re: BitPay Integrates Bitcoin with Fulfillment by Amazon.com on: March 07, 2013, 03:00:26 AM
Good job bitpay!

Now, if I happen to live in Irak, I expect the order to fail because Amazon would reject it, right?
I guess you meant Iran because of trade sanctions...? In that case, let's not discuss it in public, as discussion can hurt the efforts.
690  Other / Beginners & Help / Re: Some questions about the bitcoin system on: March 06, 2013, 08:34:07 PM
To avoid confusion, it is worth pointing out that an address is a hash of the corresponding public key.

Pretty sure an address is an actual public key, not a hash thereof:

http://en.wikipedia.org/wiki/Bitcoin#Addresses

But I stand to be corrected..?


The address is obtained from ripemd160(sha256(pubkey)). Your blogpost is more than great at all levels - this is just a detail that becomes important, for example, when discussing security of Bitcoin.You would need to break badly at the same time all three primitives (ecdsa, sha256, and ripemd160) to be able to reverse a known wealthy address into the corresponding private key, allowing you to spend (steal) the coins. This pretty much eliminates all the concerns of type "what if digital signature algorithm is broken in future?".

So:
Private key into public key (ecdsa)
Public key into address (sha256 and ripemd160)
Only public keys associated with addresses that were sent from are publicly known.

https://en.bitcoin.it/wiki/Technical_background_of_Bitcoin_addresses

 
691  Economy / Speculation / Re: Bubble! I've just sold!! on: March 06, 2013, 06:33:17 PM
Selling 95% is overreacting to a vague "bubble about to burst" thought. Anyway, I hope OP spends wisely and enjoys life...
692  Other / Beginners & Help / Re: Some questions about the bitcoin system on: March 06, 2013, 06:19:19 PM
Public keys are used for receiving funds.  You can then spend those funds by certifying your intent with a digital signature derived from your private key.

The way you send funds (simplifying) is that you tell the network you want to send some or all of the funds from one or more transactions, to another person's public key.  You certify that *you* can use the funds that were sent to your public key by signing your request, using the private key(s) corresponding to the public keys(s) of the transactions you're spending.  (Private keys are used for creating digital signatures.  Using your private key to create a digital signature does not expose your private key, but anyone who has your public key can verify your digital signature.  Note that in this context, just about every time I say "your private key" I really mean "the private key of a Bitcoin address that received funds in a transaction.")

Note that if you consume the funds sent you in a transaction, you must use all of the funds in that transaction; so you generally wind up sending the "change" to yourself at another address (keypair's public key) generated just for that transaction's change.
To avoid confusion, it is worth pointing out that an address is a hash of the corresponding public key.
693  Economy / Economics / Re: Let's see if increase in price of btc leads to less spending and more hoarding on: March 06, 2013, 02:09:37 PM
The theory I heard is that if you have two currency, people will tends to spend the inflation one and keep the deflation one. Since wikileak only accept bitcoin donations, this might not be a good example  Roll Eyes
Now, that's a good point, but it assumes that donating to WL is something donators must do, so they have no choice but to spend their precious coins. I'd say no way; WL donation is not food or water or urgent surgery.

Just thought of a better way to answer the original question, but it's beyond my ability at the moment: look at the age of mined coins (age of first-time spent coins vs. price or price trend). Coinbase addresses are easily available, so this is easy for solo miners, but to get more data we should look at the pool payouts, not just the block reward (coinbase) transactions. This would clearly show if people tend to hoard more when price is rallying, and are easier to spend on the way down.

Finally, the big picture: assume all the coins are mined, and they are valuable enough so rate of loss is negligible. Fixed supply. If the economy available to coins grows, the value goes up. Perhaps people start spending less because of this, so the economic growth slows down a bit, at least until people get used to the higher value of coins and start spending more easily. If the economy shrinks, the value of coins goes down, making them easier to spend, thus stimulating the economy. I see no problem, and would love to live in  a world like that.
694  Economy / Economics / Re: Let's see if increase in price of btc leads to less spending and more hoarding on: March 06, 2013, 01:47:57 AM
What exactly was the expected correlation? Let's not pretend that donations account for a substantial part of any economy
It doesn't matter how big part of an economy involves donations. Donations involve 100% of donations, and that is the data set we are looking at. People who did donate obviously did so regardless of price trends, proving false the hypothesis that "deflationary currency decreases willingness to spend". By "deflationary" they mean currency whose purchasing power is increasing (regardless of inflation or deflation of monetary base).
695  Economy / Speculation / Re: Is it a good idea to buy Bitcoin now at $29? on: March 04, 2013, 09:23:11 PM
So the bulls would be laughing that Iv'e only made a doubling since $7, but I've had almost zero risk and any black swans or extreme rallies are only good news to me!
This is something not many people understand. It's pointless to try to "beat the market" unless you are willing to gamble without any risk management.
696  Bitcoin / Bitcoin Discussion / Re: [Voting] Bitcoin Slogan / Tagline on: March 04, 2013, 05:50:22 PM
Well, since "strength in numbers" seems to be leading the poll, I thought I'd throw in my to satoshis regarding the Latin translation. Source: rusty remnants of one year of high-school latin, and native tongue that features latin-like cases and declensions.

in numeris vis

I am a proud owner of a 2011 T-shirt saying "Vires in numeris" - is this posed to become a precious collectible akin to all those postage stamps with typos or other errors?
697  Economy / Speculation / Re: It needs a long time from Bear shouting to a real top - for any bubble. on: March 04, 2013, 03:32:01 PM
"Long time" and "bubble" are relative terms, based on completely arbitrary time scale you choose to look at the data. There is a bubble every day.
The shouting of bulls and bears usually never specifies time - at best you get vague references such as "soon".
698  Bitcoin / Mining / Re: Easy Way to get Free Electricity for mining on: March 04, 2013, 02:27:43 PM
wouldn't it be easier to run an extension cord to your neighbor's house?
This. Also, I suggest OP try http://otherpower.com/?q=Conservation/otherpower_experiments_bicycle.html
699  Bitcoin / Bitcoin Discussion / Re: Whats going on with this block? on: March 04, 2013, 01:57:43 PM
Hm, it is a freebie site and I talked to the owner about increasing the fee, they have one set fee which is too low. I am getting them to adjust it per kb
Kudos!
700  Economy / Economics / Let's see if increase in price of btc leads to less spending and more hoarding on: March 04, 2013, 05:11:37 AM
Donation-accepting sites represent a nice opportunity to analyze spending and hoarding habits in relation to increasing value of bitcoins. I looked into some of the entities accepting Bitcoin donations. To date, Wikileaks has received over 1`500 transactions, the Internet Archive 500, and Bitcoin100 about 270.

Let's look at the champion: the Wikileaks. Still a small dataset, but it's the best I've found. They have been accepting donations to their public address ever since the June 2011 bubble, and there have been considerable ups and downs of btc price since then.

I took list of all incoming transactions from blockchain.info and historical daily prices of bitcoin in USD from MtGox via bitcoincharts.com. The value of each donation is then simply converted to the USD equivalent based on historical prices (based on the price on the corresponding date, not on today's prices).

Here is the outcome:


And another view:


No matter how hard I try, I see no correlation whatsoever. People just use ("spend") coins to transfer value, and don't seem to quit donating just because the price jumped 5x in few months. They don't seem to start donating more during the downward trends either. All in all, price skyrocketing doesn't seem to be a problem as it is often portrayed.

Thoughts?
 

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