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761  Other / MultiBit / Re: MultiBit on: May 28, 2013, 03:03:45 AM
Ok dumb question: I know you can create multiple addresses for receiving coins, but when you send other people coins, what address does Multibit use as the "sending address"?

I am not familiar with the internals of MB but as coin age plays an important role in the transaction priority, the satoshi client will pick an old address. Also the client most likely tries to optimize the transaction size by taking fewer inputs, so when you have addresses with 0.1, 0.2 and 0.3Ƀ respecitvely, it would take the 0.3Ƀ address when you try to send 0.27Ƀ rather than the 0.1+0.2.

If the 0.3Ƀ is less than 3 days old though, it would have less than 1BTC-day of age and would need a transaction fee to get processed, so the client might pick the older coins.

If you want to control that, you need a feature called "coin control". Again I'm not sure if MB has that.
762  Bitcoin / Bitcoin Discussion / Re: Best Bitcoin Android apps and widgets on: May 28, 2013, 02:56:54 AM
Hi WiW,

I had offered a bounty for a couple of features to be added to BitcoinSpinner. Namely, the ability to manually set transaction fees (even under "advanced options"). But most importantly, the ability to nominate in mBTC and uBTC.

BitcoinSpinner is by far the best bitcoin android app right now. It's the first thing I install on people's phones when talking about bitcoin. And Bitcoin Paranoid is also an excellent ticker right in your notifications. Also, I have a shortcut to preev.com, a very simple and useful exchange rate calculator.

can you please repeat your offer? Most likely I will be available to hack this for you.
Please be very precise about what should happen for cases where the user has to pay a fee (dust), the transaction can't be sent even with a fee (650Satoshi? Is that fine dust then?) and the transaction would be processed faster with fee.
The mBTC, uBTC one should be the easy part but also has to be reflected throughout the app. It makes no sense to enter values in mɃ and the transaction history shows Ƀ.
763  Economy / Speculation / Re: Wall Observer - MtGoxUSD wall movement tracker - Hardcore on: May 26, 2013, 01:40:11 AM
I know, right?

Listen to these guys (especially maloney) struggling: http://www.youtube.com/watch?v=lRpwRpLdLDc

The mental anguish is palpable.

WTF??? How do people hold on to using the term "intrinsic value" in the most arbitrary ways???
Because it cost money *in the past* gold has intrinsic value?
Salt has also a high intrinsic value cause it cost a lot of work in the past?
Your hard labor of the past will give your shiny metal value once those asteroids drop 50 times our gold reserves down to earth per year?
This totally degenerated argument of gold being valuable because of its intrinsic value is just beyond stupid.

If at all, intrinsic value is the value of something once I stop swapping it for other stuff (make tools, eat it, etc.) aka a future value in case nobody wants to trade not a past value that drove people to mine it with hard work. Past appreciation doesn't give value to anything and in this sense I strongly oppose to "bitcoin is backed by electricity" and only jokingly mention that bitcoin is backed by drama cause that's the only aspect it guarantees for the foreseeable future.
764  Economy / Service Announcements / Re: Bitmit - Bitcoin shopping mall - Bitcoin market place - Bitcoin auction house on: May 25, 2013, 03:57:53 PM
A bug:
On the checkout it fills in my shipping address but the country is wrong. The merchant asked me if I want it to the same country as last time so I assume I set it right just two weeks ago and now it defaults to my language or whatever the reason is it is German now.
765  Bitcoin / Meetups / Re: Bitcoins in Chile – first big gettogether on: May 25, 2013, 02:29:31 AM
And here are some slides. Page 24ff is a nice explanation of why bitcoin is the way it is:
http://fr.slideshare.net/slideshow/embed_code/21860570
766  Bitcoin / Meetups / Bitcoins in Chile – first big gettogether on: May 24, 2013, 10:55:19 PM
Yesterday I attended the most likely first bitcoin meetup of more than 10 people in Chile. I would guess we were 60.

Some pictures:
http://www.flickr.com/photos/ouishare/sets/72157633630295931/

We got a very nice intro to bitcoin and by far not all were convinced of bitcoin after the presentation. Most attendants were foreigners with maybe 5-10 actual Chileans, which is most likely because it was organized within the English-speaking incubator Startup Chile.

Many showed interest in turning this into a regular thing and I'm confident there will be hopefully more successful follow-up meetups.

Todo for the next meetup:
  • Invite media
  • Do a transaction on stage
  • Make sure they understand that you can own and send less than one bitcoin (Yes, 2 of the 10 people I talked to later were actually very surprised to hear that this works and I am not sure the other 8 had a clear idea of the divisibility as it was definitely explained in the intro.)
  • Bring promotional material (the material that I want to design and print since one year)
767  Economy / Service Announcements / Re: Bets of Bitcoin - Bitcoin betting on real world events on: May 23, 2013, 02:22:01 AM
Just started using this site, it looks pretty cool! Has anyone here had succesful bets placed, completed, and been paid?

A lot of people have.  It's been around a while.
yes, absolutely.
768  Bitcoin / Wallet software / Re: BitcoinSpinner on: May 19, 2013, 02:53:40 PM
...
Would you please share the latest version of Spinner as it is in the market. The market version was updated several times but not so the repository.
The market and repository have the same released versions, the most recent is 0.8.2b.
Oh, now I'm confused. Last time I nagged, the market had several updates after the months old last update to the repo. Either I had a bad link to some abandoned fork or you pushed your changes just recently. Sorry for not checking before repeating my request.

Are you planning to open source the rewrite, too?
(This one you implicitly answered with "yes", which I'm glad to hear.)

On another topic, will the new version avoid the one-address-for-life pattern? The implications of people seeing the money that went through my pocket and that will go through it are scary.
The new version allows you to manage several keys and read-only addresses. This makes the UI more complicated, and will be confusing for newcomers. For that reason I am considering to make two versions... simple/expert. Let's see how it all pans out.
I don't see how the interface would have to be any more complicated. It would just have to show one new address after each receiving and sending transaction. Sure, the backup would not be a private key but a seed for a deterministic wallet, which would smell like a vendor lock-in if you used some custom algorithm but the only change for the user would be that the receiving address would change all the time. He could still receive all his transactions to any of the generated addresses if he chose to and some would ask you if that would be the case no matter how well you explain that fact in your app but else it would be the same easy interface.

Downside would be that importing keys would be mixing deterministic wallets with single keys which would make it awkward but the changing keys would be a much easier feature to deal with than coin control and for most needs provide the same effect. In my eyes, coin control will always stay a tool for developer-grade users and we will need other solutions for the privacy of regular users such as ZeroCoin. Putting coin control into Android clients is is like a cheap excuse to not really fix the problem, so for my taste, better let the problem become imminent for all users so all work on a real solution than to grant give geeks a tool to sort of maybe sometimes try to fix it by hand.

I recently sent a bitcoin to a friend of my brother and he was impressed to see how many bitcoins went through my phone. That was where I realized that this very same information now is with 40+ people that I interacted with, reaching from friends and family to total strangers that I showed bitcoin.
769  Bitcoin / Wallet software / Re: BitcoinSpinner on: May 19, 2013, 07:40:02 AM
Can we have the latest version in the repository?

Jan you claimed a rewrite. Will that be open source, too?
The rewrite is still very much in alpha. I have shown it to anyone interested at the conference, and the feedback has so far been very positive. If you are at the conference seek me out at the Mycelium booth and I'll give a demo. The sources (and the app) will be published once I have given it more polish. Please allow me to work on it a few more weeks :-)
[/quote]

Sadly I couldn't come to the conference. You misunderstood my question:

Would you please share the latest version of Spinner as it is in the market. The market version was updated several times but not so the repository.

Are you planning to open source the rewrite, too?
(This one you implicitly answered with "yes", which I'm glad to hear.)

On another topic, will the new version avoid the one-address-for-life pattern? The implications of people seeing the money that went through my pocket and that will go through it are scary.
770  Bitcoin / Wallet software / Re: BitcoinSpinner on: May 18, 2013, 08:18:18 PM
Can we have the latest version in the repository?

Jan you claimed a rewrite. Will that be open source, too?
771  Bitcoin / Wallet software / Re: Caesure - a Python Bitcoin Client on: May 18, 2013, 05:38:57 AM
Hi. Looking for some PyQT bitcoin client I found your project. Seriously dropping Windows support? I guess Windows is here to stay at least for some more years.
Last commit 2 months ago? How's your motivation?
772  Economy / Speculation / Re: Wall Observer - MtGoxUSD wall movement tracker - Hardcore on: May 14, 2013, 08:12:40 PM
Mtgox trading engine lag: 37049m 45s

maybe a bug
773  Bitcoin / Press / Re: 2013-05-09 TheGenesisBlock.com - US Regulator’s Confusion Around Bitcoin Is Exac on: May 09, 2013, 06:23:32 PM
Now all we need is for the SEC to define Bitcoin as a security and we'll have a regulatory trifecta.

(Schrodinger’s Cat)˛
774  Bitcoin / Bitcoin Discussion / Re: Holy Crap! Is this the Bitcoin capital of the world? on: May 09, 2013, 01:23:30 AM
I want to get shops around me to accept bitcoins for several reasons:
if bitcoin takes off, I want them to profit and ride the wave as the gurus that knew it since long
I want to be able to spend bitcoins
… and, yes, the shops accepting bitcoins also evangelize to new users but that's also a bit of a problem. When somebody unfamiliar with credit cards does his first credit card purchase, the vendor would think "why me? Can't he learn swiping a card somewhere else" while with bitcoin, the vendor would be in this situation in just about 90% of all sales. He would have to be an enthusiast.
775  Bitcoin / Bitcoin Discussion / Re: Im fairly confident the NSA (US Gov) Can 51% Any Coin At Any Time on: May 05, 2013, 04:07:57 PM
Quote
I really hope Im wrong and Im sure Im not the first person to consider this. Also, a 1 billion dollar market cap currency isnt a threat to the dollar.

But what about 10 billion? 100billion? 1 trillion? 10 trillion? When do they decide to pull the trigger, if they could?
I don't think the market cap is the real threat. The whole idea of taking away control over both supply and traceability of transactions is annoying the New World Order pyramid.



Quote
Why cant they just write Bitcoin hashing code for their existing code breaking machines, fork the chain, invalidate all our coins, and then go back to hacking your Facebook to learn grandma's secret pie crust recipe?
Written code is inefficient. CPU mining shows this. First the code is compiled from C++ to ASM by compiler on Satoshi's notebook. Then the ASM x86 instructions are translated into RISC instructions by CPU internal hardware to finally execute. ASIC hardware have the logic needed for Bitcoin hashing designed into silicon wafers and transistors bypassing ALL other steps needed. This is why ASIC is the fastest solution possible and also this makes the ASIC unsuitable to any other purpose than Bitcoin mining and home heating.

If the 51% attack starts today all they can do is invalidate transactions starting from today. Unless they redo ALL work from last checkpoint hardcoded into Bitcoin-Qt that is more challenging than simple 51% denial of service and doublespend attack.
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bullshit

bitcoin is the most powerful computing effort undertaken by humans to date...by an order of magnitude and then some
This.
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I can assure you that the NSA has bigger things to worry about than bitcoin.
I think reading private e-mails of all population to figure out who don't like USA government and new world order is more important task. Seriously. More than 50% of world hates USA. Now that's a 51% attack against USA!
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The american intelligence agencies have no incentive to bring down bitcoin. Unless the NSA receives an executive order to kill bitcoin, they simply won't do it.
Even if they receive such orders all they can do is attack public persons involved in Bitcoin, take down exchanges and services accepting them and attack individual nodes. This will bring chaos and destruction but the Bitcoin will survive. Think about going really hidden and anonymous then.
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I totally agree with the OP. If some school kids can buy chips in China for some 20M USD, then the CIA can do so, too.
Think about BFL and Inaba scaming CIA like everyone else. Cheesy They can order the ASIC chips from foundries but it might be hard for them to keep this secret. The designs might get leaked, the chips might be produced more than ordered and sold on black market. There are not many foundries in world who operate on recent 28nm or even 45nm process. They need such process unless they are ready to use outdated and inefficient 180nm.
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My conclusion is that we already have the blessing of these circles. One version would be that Satoshi is the CIA.
We already figured out that Satoshi is time traveler from future and not Sirius. He definitely could not be CIA. Cheesy
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After all the $$ will fail, so what else would you do? Gold standard?
Invalidate the current US Dollar, start printing red colored dollars called New US Dollar. Exchange all current US dollars for new US dollars with exchange rate 200 to 1. Problem solved. Learn what the government fucks did to money in Latvia after fall of USSR.
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I wouldn't be surprised at all if they could do it, nor if they have a contingency plan for taking down the entire Internet at least briefly.  If not the NSA, then some other TLA.
Sure they can switch off large part of internet. Including their own military systems depending on Internet. Existing network in other parts in world will continue to function. Bitcoin will continue to function there too.
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The Government can't do anything more about crypto-currency than they could about Pirate Bay
They actually could do less. Pirate Bay have centralized servers. Raid them, take them offline, harass the owners. Bitcoin is decentralized to such degree that every node and pool is independent Pirate Bay.
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They're the NSA.  If they wanted, they could spend <1% of their budget, have some nice 28nm ASICs fabbed and mass produced and take like 80% of the network.

Good news though.  They don't give a shit.
In the moment they start to plan this move, the spy agencies in Russia, China, Iran will be informed. They might not care about well-being of Bitcoin but they might sabotage the NSA-CIA work as a routine action of spite and lulz. Contaminating the fab facility by subtle sabotage is not hard for them. Definitely it does not cost 30 billion or require Otto Skorenzy parachuting over the fab.
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But they can not do it secretively, they will have to join the network and thus revealing their identity to have an impact, and this directly defeat the purpose of  existence of "No Such Agency".
Even 13 year old boy can do that without revealing himself. They connect to Bitcoin network using Tor and then publish the longer malicious chain. I just solved the problem for NSA. They are welcome to send the hacked bitcoins to address in my signature as I probably spared them of few million taxpayers USD needed to solve this problem!
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This was also the genius of the early internet: The same technology that's to make dissident political communications hard to censor is also used for commerce and chatting to friends. You can't shut down the one without shutting down the other. This makes the network very strong, because people may not be bothered about some nutjob's right to express his political views, but mess with their ability to share pictures of their cats and THE STREETS WILL RUN RED WITH THE BLOOD OF REVOLUTION.
This largely depends on how many people are willing to go on streets and start shooting at police and military troops because they cannot share lolcats in internet. And how victoriously they could do it without being defeated. For this to happen the situation in other aspects of society must be as bad too. This is why all regulations, censorship and taking away civil liberties are done slowly and in small increments.
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What do you think they are doing with all that power?  Breaking codes, matching hashes, the same kind of thing Bitcoin miners do.
Mass surveillance of both domestic and foreign population. Datamining and storing every communication for eternity.
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Also, they could hack into any exchange they want...
Bullshit. Everyone who knows about computer security will agree that there is no such thing as guaranteed hackability. This is why Pirate Bay was physically raided and taken away and not hacked from NSA or FBI every time it resurfaced.
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Of course countries ran by authoritize regimes (China, Iran, Syria, North Korea, etc etc) would probably try to take a hardline approach on something like bitcoin if it undermined their power or influence at all.
I think these countries might embrace Bitcoin instead as a weapon to destabilize USA monetary grip over world.

Also I'm slightly annoyed about the way mom quotes. Almost as bad as German 8 o'clock news. Source: Internet
776  Bitcoin / Bitcoin Discussion / Re: Im fairly confident the NSA (US Gov) Can 51% Any Coin At Any Time on: May 04, 2013, 05:23:44 AM
51% attack won't affect existing coins, it will just make people hoard more and spend less Wink

Not necessarily. Imagine the aggressor is several governments united that decide to take over mining, combined with a 1% Tobin tax payable as transaction fee.
777  Bitcoin / Bitcoin Discussion / Re: Im fairly confident the NSA (US Gov) Can 51% Any Coin At Any Time on: May 04, 2013, 03:46:01 AM
I totally agree with the OP. If some school kids can buy chips in China for some 20M USD, then the CIA can do so, too. Just for context: 20MUSD is about the amount the USA print every 15 minutes at least for the next 3 years.

Bitcoin definitely has made it on their radar, too.

My conclusion is that we already have the blessing of these circles. One version would be that Satoshi is the CIA. After all the $$ will fail, so what else would you do? Gold standard? Bitcoin is much easier to accumulate in the USA than gold. We know that at least 1 million BTC never moved and most likely are in the hands of Satoshi. We don't know how many of all the later coins also went back to Satoshi. Maybe Bitcoin is a scheme to aggregate 50% in the USA with controlled increase in popularity until 2020. Maybe the $$ crashes earlier.

Well, I bought some mɃ earlier today. No matter if it's the mark of the beast with full support by the US government or the cool free money we all dream of, I believe it will live. A 51% attack is not the end of it all. We will find a way.
778  Economy / Service Announcements / Re: Bitmit - Bitcoin shopping mall - Bitcoin market place - Bitcoin auction house on: May 03, 2013, 06:09:23 PM
Hello tosaki,

We have not seen you on Bitcointalk since 6 weeksdays.
779  Economy / Speculation / Re: Automated posting on: May 03, 2013, 06:06:45 PM


please rotate 180 around the z axis and make an animated gif. With enough frames you should really see better the 3D structure when it's animated.

Edit: Alternatively add the latest line with a distinct color (white?) so the eye can follow what's happening.
780  Other / Meta / Re: BitcoinTalk.org DNS issues.. ? on: May 03, 2013, 01:07:57 PM
any news from admins??? Grrr!
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