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Author Topic: Privacy Question  (Read 1384 times)
bitcoinrocks
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April 06, 2015, 10:34:55 PM
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Let's say I regularly send BTC back and forth between wallet #1 and wallet #2.  I'm receiving BTC and I don't want the sender to link me to wallet #1 and its transaction history.  Is my privacy increased at all by having him send to wallet #2 instead of wallet #1 or will I be linked to wallet #1 for sure no matter which wallet he sends to?
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April 06, 2015, 10:55:00 PM
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Let's say I regularly send BTC back and forth between wallet #1 and wallet #2.  I'm receiving BTC and I don't want the sender to link me to wallet #1 and its transaction history.  Is my privacy increased at all by having him send to wallet #2 instead of wallet #1 or will I be linked to wallet #1 for sure no matter which wallet he sends to?

A wallet may have several addresses. Maybe you mean address instead of wallet? Smiley

If you do, and if you send coins back and forth, address/wallet 1 will always be linked to 2 and vice versa. That's why you should always generate a new address for each payment!
bitcoinrocks
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April 06, 2015, 11:00:55 PM
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Generating a new address doesn't protect you from the addresses being linked together though.  As soon as you spend BTC from the wallet which generated the two address, they may be linked together.
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April 06, 2015, 11:08:06 PM
 #4

you should be fine as long as you don't send btc from wallet #2 to wallet #1 too frequently. though if you want to be sure that you won't tracked, you can always use an exchange or a dice site to completely hide your track.

and multiple wallets "privacy" is not very different than multiple address.

lurking.
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April 06, 2015, 11:34:45 PM
 #5

Let's say I regularly send BTC back and forth between wallet #1 and wallet #2.  I'm receiving BTC and I don't want the sender to link me to wallet #1 and its transaction history.  Is my privacy increased at all by having him send to wallet #2 instead of wallet #1 or will I be linked to wallet #1 for sure no matter which wallet he sends to?

When you say "wallet", do you mean "address"?  I can't truly make sense of this question as written and this seems like the most natural fix.

If you do mean address then the answer is "yes".  No amount of sending back and forth between addresses conclusively proves that the addresses are controlled by the same person.  The sender (to whom you have revealed a link between yourself and address #2) will be unable to link you to address #1 with certainty.

Note that the corresponding gain in privacy may well be negligible.
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April 07, 2015, 01:10:44 AM
 #6

Generating a new address doesn't protect you from the addresses being linked together though.  As soon as you spend BTC from the wallet which generated the two address, they may be linked together.

Correct, if you generate a new address for EVERY transaction you ever receive, then when you spend BTC, it is possible that a few of those address will be linked together (though not necessarily all of them).  You can use a wallet that allows coin control to gain better control over exactly which addresses get linked together during the send.  You can improve your privacy substantially more if you use a "CoinJoin" system, where your inputs are blended with the inputs of other users in the same transaction.


If you are using multiple wallets, then you eliminate the chance that outputs received in one wallet will be used as inputs in the same transaction as outputs from one of the other wallets.  However, if you "regularly send BTC back and forth", then it may become clear that the owners of the two wallets have a VERY close personal relationship.  They may even be able to infer that it is the same person.

 

notlist3d
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April 07, 2015, 02:22:15 AM
 #7

Generating a new address doesn't protect you from the addresses being linked together though.  As soon as you spend BTC from the wallet which generated the two address, they may be linked together.

This would be true.  If you want to keep them separate if you mine it's easy just point miners to a new address and you have "clean" btc not linked.   This method you control every aspect really.

Another is to use a mixer.  I personally don't as I don't trust any enough to send significant amount to.  But some do and have good luck.

I think those are two main and most likely best ways to get "clean" btc.
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April 14, 2015, 08:27:21 AM
 #8

Because you sent bitcoins between address #1 and #2 those will forever be linked.
You would need to ask the sender to send to address #3.

And then never send any bitcoins from #3 to either #2 or #1 ever.
Also make sure that bitcoins from #3 are not used together with bitcoins from either #1 or #2 when you make a payment yourself.
Some wallets let you control this.

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ObscureBean
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April 14, 2015, 09:22:31 AM
 #9

I don't think it'll make any difference to receive BTC using either wallets. If you wish not to be linked to the addresses, your best bet is to install a 3rd wallet client or create an online account just to receive the coins. You can use addresses generated by the 3rd wallet for inbound transactions only.
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April 14, 2015, 10:08:10 AM
 #10

I don't think it'll make any difference to receive BTC using either wallets. If you wish not to be linked to the addresses, your best bet is to install a 3rd wallet client or create an online account just to receive the coins. You can use addresses generated by the 3rd wallet for inbound transactions only.

What's the best online account to use?
SirChiko
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April 14, 2015, 11:30:49 AM
 #11

Let's say I regularly send BTC back and forth between wallet #1 and wallet #2.  I'm receiving BTC and I don't want the sender to link me to wallet #1 and its transaction history.  Is my privacy increased at all by having him send to wallet #2 instead of wallet #1 or will I be linked to wallet #1 for sure no matter which wallet he sends to?
You can solve it quite easily you just gotta create wallet #3 and always when depositing to that adress you will run your coins throught mixer and it will make it quite untracable.
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sandy47bt
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April 14, 2015, 11:39:46 AM
 #12

I'm sure you mean address not wallet

So, in this case ask sender send to address #3
The sender won't know about address #1 & #2

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April 14, 2015, 12:08:26 PM
 #13

I don't think it'll make any difference to receive BTC using either wallets. If you wish not to be linked to the addresses, your best bet is to install a 3rd wallet client or create an online account just to receive the coins. You can use addresses generated by the 3rd wallet for inbound transactions only.

What's the best online account to use?

blockchain.info, you can add a mixer for more privacy but you will not get 100% anon

a good strategy for a good anonimity, would be to start with an amount that is already splitted among many adresses

then you proceed with the usual ramification

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bitcoinrocks
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April 14, 2015, 02:34:08 PM
 #14

I'm sure you mean address not wallet

So, in this case ask sender send to address #3
The sender won't know about address #1 & #2

The wallet/address distinction is important here.  If the 3 addresses referenced above are in the same wallet, there exists the possibility that they will be linked when spending coins in the wallet.
bitcoinrocks
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April 14, 2015, 02:35:13 PM
 #15

I don't think it'll make any difference to receive BTC using either wallets. If you wish not to be linked to the addresses, your best bet is to install a 3rd wallet client or create an online account just to receive the coins. You can use addresses generated by the 3rd wallet for inbound transactions only.

What's the best online account to use?

blockchain.info, you can add a mixer for more privacy but you will not get 100% anon

a good strategy for a good anonimity, would be to start with an amount that is already splitted among many adresses

then you proceed with the usual ramification


And blockchain.info has a built-in mixer-esque utility called SharedCoin (or maybe it's SharedSend, I get them mixed up).
hugs1BTC
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April 16, 2015, 03:02:59 PM
 #16

Let's say I regularly send BTC back and forth between wallet #1 and wallet #2.  I'm receiving BTC and I don't want the sender to link me to wallet #1 and its transaction history.  Is my privacy increased at all by having him send to wallet #2 instead of wallet #1 or will I be linked to wallet #1 for sure no matter which wallet he sends to?

Use a bitcoin mixer for more privacy Wink
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April 16, 2015, 03:20:57 PM
 #17

What about using a mixer? I've thought about using one like Bitmixer, but would that cut the trace of your original coins?
And what if the origin of the mixed coins you got are criminal coins? (coins that are linked to for example Silk Road or something).
I dont know if you get my point, let me know please. Im willing to learn how to do this, but I dont want to get in trouble, I just want privacy.

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AgentofCoin
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April 16, 2015, 03:21:54 PM
 #18

I don't think it'll make any difference to receive BTC using either wallets. If you wish not to be linked to the addresses, your best bet is to install a 3rd wallet client or create an online account just to receive the coins. You can use addresses generated by the 3rd wallet for inbound transactions only.

What's the best online account to use?

blockchain.info, you can add a mixer for more privacy but you will not get 100% anon

a good strategy for a good anonimity, would be to start with an amount that is already splitted among many adresses

then you proceed with the usual ramification


And blockchain.info has a built-in mixer-esque utility called SharedCoin (or maybe it's SharedSend, I get them mixed up).

Just wondering. Do you know of a website or etc that can determine if addresses come from the same wallet?

I support a decentralized & unregulatable ledger first, with safe scaling over time.
Request a signed message if you are associating with anyone claiming to be me.
bitcoinrocks
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April 16, 2015, 03:31:24 PM
 #19

Do you know of a website or etc that can determine if addresses come from the same wallet?

I'd be interested to know if something like that exists yet too.
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April 16, 2015, 04:05:43 PM
 #20

You'll be linked to wallet 1 if in the future you send an amount of coins exceeding what's in wallet 2, which would cause your client to send from both 1 and 2. So if the sender of coins to 2 is watching forever, they may eventually discern that you control wallet 1 as well
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