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Author Topic: Bitcoin is not anonymous  (Read 5825 times)
a63ntsm1th
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July 25, 2011, 09:51:26 AM
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Bitcoin is not inherently anonymous. It may be possible to conduct transactions is such a way so as to obscure your identity, but, in many cases, users and their transactions can be identified. We have performed an analysis of anonymity in the Bitcoin system and published our results in a preprint on arXiv.

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Headline:

An Analysis of Anonymity in the Bitcoin System

http://anonymity-in-bitcoin.blogspot.com/2011/07/bitcoin-is-not-anonymous.html

just my .02 btc
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Gabi
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July 25, 2011, 09:54:24 AM
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Nothing new...
phatsphere
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July 25, 2011, 09:54:53 AM
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erm, it never stated to be, it's pseudonymous.
bittersweet
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July 25, 2011, 09:58:38 AM
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erm, it never stated to be, it's pseudonymous.

"it" maybe didn't state it, but many people did and it's repeated by media.

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July 25, 2011, 09:59:18 AM
 #5

ZOMGBBQ breakin news!!

Own address: 19QkqAza7BHFTuoz9N8UQkryP4E9jHo4N3 - Pywallet support: 1AQDfx22pKGgXnUZFL1e4UKos3QqvRzNh5 - Bitcointalk++ script support: 1Pxeccscj1ygseTdSV1qUqQCanp2B2NMM2
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a63ntsm1th
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July 25, 2011, 10:17:58 AM
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ZOMGBBQ breakin news!!

Tongue


I was surprised at the amount of information they were able to gather from "passive" analysis.  I'm assuming all they used was the block chain. And google?

Anyway after reading it I will take even further steps to protect anonymity.

just my .02 btc
titeuf_87
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July 25, 2011, 10:22:21 AM
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Pretty graphs Smiley

And yes, for the rest, nothing new.

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kokjo
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July 25, 2011, 10:29:07 AM
 #8

we have always known that bitcoin is not anonymous. we can see all the transactions, and track the ownership of all coins.

there is no news.

"The whole problem with the world is that fools and fanatics are always so certain of themselves and wiser people so full of doubts." -Bertrand Russell
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July 25, 2011, 10:29:19 AM
 #9

Ok everyone nothing to see here,move along.

natman3400
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July 25, 2011, 02:27:54 PM
 #10

The part of bitcoin that is anonymous is that, in most cases, a bitcoin address can not be attributed to a name unless its published.
In this respect, it is as anonymous as this board. All I would have to do to get a 'new identity' is reset my modem and make a new account (in this metaphor, hitting the 'new address' button).

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July 25, 2011, 02:36:39 PM
 #11

The part of bitcoin that is anonymous is that, in most cases, a bitcoin address can not be attributed to a name unless its published.
In this respect, it is as anonymous as this board. All I would have to do to get a 'new identity' is reset my modem and make a new account (in this metaphor, hitting the 'new address' button).
sad to disappointing you, but...
have you ever heard of tracking cookies

"The whole problem with the world is that fools and fanatics are always so certain of themselves and wiser people so full of doubts." -Bertrand Russell
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July 25, 2011, 02:43:54 PM
 #12

The part of bitcoin that is anonymous is that, in most cases, a bitcoin address can not be attributed to a name unless its published.
In this respect, it is as anonymous as this board. All I would have to do to get a 'new identity' is reset my modem and make a new account (in this metaphor, hitting the 'new address' button).
sad to disappointing you, but...
have you ever heard of tracking cookies
There are plugins that evade that. If a fresh IP address doesn't cut it, there is tor. Bitcoin can easily be anonymous. Heck, purchase some fake documents from one of the Bitcoin black markets, open a bank account with them and get your Bitcoins with that. You'll be covered all the way down.
natman3400
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July 25, 2011, 02:45:04 PM
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The part of bitcoin that is anonymous is that, in most cases, a bitcoin address can not be attributed to a name unless its published.
In this respect, it is as anonymous as this board. All I would have to do to get a 'new identity' is reset my modem and make a new account (in this metaphor, hitting the 'new address' button).
sad to disappointing you, but...
have you ever heard of tracking cookies

I'm sorry to disappoint you, but have you heard of metaphors?
It's an example, not how it should be done.
And what about the 10,000 live CDs I have? I can easily reboot into one of those.

Support the BitClip project:
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natman3400
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July 25, 2011, 02:47:59 PM
 #14

The part of bitcoin that is anonymous is that, in most cases, a bitcoin address can not be attributed to a name unless its published.
In this respect, it is as anonymous as this board. All I would have to do to get a 'new identity' is reset my modem and make a new account (in this metaphor, hitting the 'new address' button).
sad to disappointing you, but...
have you ever heard of tracking cookies
There are plugins that evade that. If a fresh IP address doesn't cut it, there is tor. Bitcoin can easily be anonymous. Heck, purchase some fake documents from one of the Bitcoin black markets, open a bank account with them and get your Bitcoins with that. You'll be covered all the way down.
This, and if this is to complicated, just send some coins to another wallet through a mixer and if anyone asks, just say somebody you were selling something to gave you the mixer input address as there payment address.

Support the BitClip project:
http://bit.ly/vghQFK
Donate to bitclip: 1BCincd4sHM1ou5QcxZ4vc4hKzsxXCpQT
Dontate to me: 1NathanAubdutd4kW4VwfcEXEWvgkqEq7V
PGP key 1: http://goo.gl/TUIWe
PGP key 2: http://goo.gl/jrfaI
Proof both keys belong to me: http://goo.gl/dQSHl
TraderTimm
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July 25, 2011, 03:11:43 PM
 #15

They have no way of associating a given public key with a client's wallet. Nice graphs though, but not really 'proving' anything worthwhile.

fortitudinem multis - catenum regit omnia
jackjack
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July 25, 2011, 03:15:13 PM
 #16

As everybody said the graphs were nice, I finally open the link
They are definitely nice

Own address: 19QkqAza7BHFTuoz9N8UQkryP4E9jHo4N3 - Pywallet support: 1AQDfx22pKGgXnUZFL1e4UKos3QqvRzNh5 - Bitcointalk++ script support: 1Pxeccscj1ygseTdSV1qUqQCanp2B2NMM2
Pywallet: instructions. Encrypted wallet support, export/import keys/addresses, backup wallets, export/import CSV data from/into wallet, merge wallets, delete/import addresses and transactions, recover altcoins sent to bitcoin addresses, sign/verify messages and files with Bitcoin addresses, recover deleted wallets, etc.
evoorhees
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July 25, 2011, 04:15:35 PM
 #17

Bitcoin is as anonymous as the user would like to make it.

One can make it completely anonymous by simply swapping coin ownership in physical form - such as with Bitbills. These transactions never appear on the Block Chain, and as such using the Block Chain to determine ownership becomes highly problematic.

I think it should be understood that Bitcoin doesn't provide -automatic- anonymity. However with a bit of effort it can be effectively anonymous.
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July 25, 2011, 04:34:31 PM
 #18

I also like the graphs. Would be nice if blockexplorer looked like that.
Jaime Frontero
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July 25, 2011, 04:44:32 PM
 #19

I also like the graphs. Would be nice if blockexplorer looked like that.

!

+1
evoorhees
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July 25, 2011, 05:05:31 PM
 #20

The author of the OP's cited article posted this in his own follow-up comments, and I think it describes whether Bitcoin IS or IS NOT anonymous very well...

"It is possible to use Bitcoin in a way that is almost certainly anonymous, in the same way it is possible to get almost certain anonymity on the Internet, by using encryption, onion routing, and never associating your identity with your actions.

Our point is that you don't get this anonymity automatically, and that most casual users of Bitcoin may not be anonymous, even though many of them may believe they are."

I think people should start using the phrase, "Bitcoin is not automatically anonymous." Indeed, saying that Bitcoin "is anonymous" or "is not anonymous"... both of these statements are untrue and misleading.
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