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41  Bitcoin / Bitcoin Discussion / Re: Is my bitcoin wallet address traceable back to me? on: May 10, 2013, 04:35:09 AM
The best way to protect your privacy is to do business under a pseudonym.  That way, your bitcoin address is tied to your pseudonym (which can gain reputation, just as in the "real" world), but your pseudonym is not tied to your real identity.
42  Bitcoin / Legal / Re: US financial regulator: We could regulate Bitcoin “if we wanted” on: May 08, 2013, 05:00:05 AM
If any one country decides to massively back Bitcoin, we go to 4 or 5 figures. That country may not need to be one with a flawed monetary policy.

Which country doesn't have a flawed monetary policy?
43  Bitcoin / Bitcoin Discussion / Re: How are bitcoins anonymous? on: April 30, 2013, 01:11:36 AM
Just checked my last transaction cffb723e5dc2c0176d1deb0739b5126403c6d603d5456474450838c2884bb7f0 , and I do not see IP address where this transaction was made from.  The one on the "relayed by ip" line is not mine. Can you determine my IP using this info?

P.S. Anonymity is not a big deal for me, just curious if it is really true.

No, your address cannot be determined from  At any point in time there might be 10,000 or more instances of bitcoin-qt or other full-node software running. is only connected to a small subset of these.  A transaction might get passed through many nodes before being "seen" by, so there is no way to know if the IP address stored on their site is the true originator of the transaction.

Having said that, I still think it is a very bad practice for to be recording IP addresses (with friends like that, who needs enemies?).  They should, at a minimum, publish a list of all listening addresses, and the client needs to have the option of rejecting a list of nodes.  In the absence of these measures, a good way to protect your anonymity and also help the network is to leave the client running all the time.  Soon there will be hundreds of transactions recorded on as having originated from your IP, when in fact none may have.

44  Alternate cryptocurrencies / Altcoin Discussion / Re: Ripple Giveaway! on: April 17, 2013, 02:40:53 AM
45  Bitcoin / Bitcoin Discussion / Re: How to Create A True Decentralized FAST Exchange...Easlily With Existing Code... on: April 12, 2013, 05:56:32 AM
Who are you going to bow too?  Any inane law they come up with?  When the law is wrong it is our moral and ethical duty to break it.  Hell, it wasn't too long ago women couldn't vote and we had slavery.  Someone had to challenge those laws.

I like this guy!

If there are many people making many, small transactions using pseudonyms, they can't possibly keep track of and/or arrest everyone.  
46  Bitcoin / Bitcoin Discussion / Re: The Trillion Dollar Question on: April 11, 2013, 05:07:44 PM
Someone could issue a Chaumian-blinded currency tied to the price of gold (or some basket of commodities) using Open Transactions.  This person could demonstrate sufficient backing for the currency by proving that they control a bitcoin address (using digital signatures) which has an amount of bitcoins in it at least equal in value to the amount of currency outstanding.  Hopefully Monetas or someone else is working on this as we speak.
47  Bitcoin / Bitcoin Discussion / Re: What's the deal? on: April 11, 2013, 01:35:54 PM
I haven't undertaken a detailed analysis of what happened yesterday, but bitcoin is still what I would call "thinly traded," and it only takes a few people taking profits (who might have bought in only a few days ago) to exhaust the bids and spook the market.  Plus, Mt. Gox trading platform issues don't breed a lot of confidence.
48  Bitcoin / Bitcoin Discussion / Re: What's the deal? on: April 11, 2013, 01:27:50 PM
Where is the evidence that most of the "early adopters" cleared out?  This conjecture was also posited after the June 2011 bubble but later shown to be false.

Also, if you want your threads to be read, try to come up with more descriptive titles.
49  Bitcoin / Bitcoin Discussion / Re: Memories of a Mania on: April 11, 2013, 03:40:21 AM
Thanks for sharing your thoughts, Alonzo.  I see troubled waters ahead for the world's debt-based economies, so I'm not keen on investing in stocks either.  I do think we may temporarily see more upside to equities as inflation kicks in.  I may pick up more physical gold in the next few months if the price bottoms out.  As for Bitcoin, I've always viewed it more as a tool than an investment, so I'm not too worried about downside risk.  It will be interesting to see how Bitcoin, Ripple and Open Transactions work together (or independently) to rewire the world's financial infrastructure.  These are exciting and unpredictable times in which we live.
50  Bitcoin / Bitcoin Discussion / Re: Memories of a Mania on: April 11, 2013, 02:42:56 AM
I'm curious, what is your opinion on gold, and where do you see the "smart money" going next?  Gold to me seems to be in the "slow burn" phase, as you describe it.  Shall we all hop into equities and place our trust back in the central bankers and captains of industry?  Go for a ride on Bernanke's and Obama's magic carpet?
51  Bitcoin / Bitcoin Discussion / Re: renewed BTC frenzy: huge offshore tax evader data leak published ! on: April 05, 2013, 01:31:09 PM
I haven't seen any explanation of where the leaked data came from.  All the ICIJ states is that "a computer hard drive packed with corporate data and personal information and e-mails arrived in the mail."  Arrived from whom?  How credible is this story?
52  Economy / Service Discussion / Re: Bitcoin-Central, first exchange licensed to operate with a bank. This is HUGE on: April 03, 2013, 02:13:36 AM
I'll just leave this here...

Quote from: davout
Quote from: sethsethseth
Intersango is the oldest and largest exchange to not get hacked.  Your money is probably safer there than any other exchange.
Nope, that would be, open-source exchange, older than Britcoin (aka Intersango). Operating smoothly since December 2010. Never hacked.
Since Intersango is apparently unable to keep it together we're launching a new GBP market. Lowest fees available (free incoming wires, 0.99 GBP outgoing wires, 0.498% trade fee)

Moral of the story: never brag about your security.
53  Economy / Computer hardware / Re: [WTS] 8GB laptop memory DDR3 SODIMM 0.4 BTC on: April 02, 2013, 04:34:11 AM
Sure.  Since the bitcoin exchange rate has gone up a little, I can include shipping to Argentina for the 0.4 BTC quoted.
54  Bitcoin / Bitcoin Discussion / Re: Bitcoin passes one billion market cap. on: March 28, 2013, 04:54:13 PM
The number of people participating in the Bitcoin ecosystem has definitely increased dramatically in the past few weeks.  My node used to see 25-60 connections; it has 120 now.  I had to double the bandwidth of the connection in order to accomodate the traffic.
55  Bitcoin / Mining / Re: $324000 per day on: March 27, 2013, 09:23:50 PM
My thoughts:

1. Maybe the usd is worth less than we think it is.
2. As FreeMoney said, it is also a distribution method, and all we are really paying is about five cents per transaction (which I imagine will be revised downward soon).
3. Perhaps a good metric to determine if BTC is overvalued is price divided by total BTC exchanged per day.
4. Many people (like me) run a node without mining and without compensation, for the good of the network.
5. We are not in any sort of steady-state equilibrium, and temporary distortions are to be expected.

56  Economy / Service Discussion / Re: Open Letter to Instawallet on: March 27, 2013, 08:56:49 PM
My understanding of the https protocol is that only the host name is visible to an attacker.  Once they are sure the site is locked down, I'd appreciate knowing what the specific vulnerability was.
57  Economy / Computer hardware / [WTS] 8GB laptop memory DDR3 SODIMM 0.4 BTC on: March 27, 2013, 12:50:46 AM
I have two 4GB SODIMM modules for a total of 8GB.  These are brand new, but unfortunately my system needs 7-7-7-20 timing and these are 9-9-9-24.  These should work in most laptops, but please double check at
Asking 0.4 BTC for the pair, including shipping within the US.  Please inquire about shipping elsewhere.  Thanks for looking.

Corsair CMSO4GX3M1A1333C9
Memory Configuration: Dual Channel Memory
Type: DDR3
Package - Memory Pin: 204
Package - Memory Format: SODIMM
Tested Voltage: 1.5
SPD Voltage: 1.5
Speed Rating: PC3-10600 (1333MHz)
SPD Speed: 1333MHz
Tested Speed: 1333Mhz
Tested Latency: 9-9-9-24
SPD Latency: 9-9-9-24

Product page:
58  Economy / Economics / Re: The problem of a depreciating currency on: March 26, 2013, 05:27:47 AM
I keep spending Bitcoins, yet the value of what I have left keeps increasing.  I don't see a problem here.

On another note, we might do well to be a little less consumerist.  The planet will thank us.

Edit: OMG, post 666!  Wink
59  Economy / Service Announcements / Re: 1st Bitcoin Gift card :) on: March 23, 2013, 06:27:03 AM

not really sure why would someone who doesn't know what bitcoins are buy such a card? What are chances for that happening? Smiley

Maybe someone wants to introduce someone else to bitcoins by sending them a gift card in the mail?
60  Economy / Securities / Re: ASICMINER: Decentralized stock exchange on: March 21, 2013, 08:26:45 PM
How about this:  make it possible for users to create their own decentralized exchange.

  • Register a bitcoin address for each shareholder, if not already.  This enables the ability to authenticate cryptographically signed digital messages.  See this stackexchange answer for a guide.  Most bitcoin clients support signing messages.  Registering a GPG key for each shareholder is an alternative, though that requires additional software beyond a bitcoin client.
  • Publicly declare a bitcoin address and GPG key for official ASICMINER messages.
  • Publicly declare an email address for emailing ASICMINER robot
  • At the end of every day, ASICMINER robot produces a message listing all shareholders, by key and share count.  Attach bitcoin and GPG digital signatures.
  • To trade ASICMINER shares, the seller sends a digitally-signed message "transfer N shares to bitcoin address FOO" to the ASICMINER robot.

That is all that is needed on the ASICMINER side:  maintain a shareholder registry.  changes to the shareholder registry may be both pseudonymous and secure.

Then anyone may build an exchange that trades shares.  Anyone may trade ASICMINER shares at any time, using this method.

So, as I understand your proposal, one does not even need to be a miner to implement this.  All you need to do is run a bitcoin client and have some additional robot code which adds, transfers and reports on shares.  Fascinating.  Now find a way to host it which provides plausible deniability (because you'd be violating securities laws) and can't be taken down.  I2P or a Tor hidden service perhaps?

This idea deserves its own thread in Project Development!
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