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Is there a way to know if my public key has already been use[...]

EhVedadoOAnonimato posted this 9 years ago

EhVedadoOAnonimato | 9 years ago

If I understand correctly the mechanism, my public key may be used by other people in order to mess up the traces, and that's what grants Monero and other ring-signature based coins its untraceable nature.

So, is there a way to know which transactions have already used my public key?

I ask because I'm trying to do this https://www.reddit.com/r/Monero/comments/3ctjed/friendly_reminder_to_bitcoin_users_that_seek

I'm planning on having two Monero wallets. Buy Monero with ShapeShift into wallet A, transfer with high mixin (10?) to wallet B, and sell this Monero against Bitcoin, to recover coins not linked to my original address. Perhaps swap back and forth between A and B a few times before selling.

If I make the transfer from A to B right after receiving money on A, it would be a bit too obvious which is the public key actually been used, regardless of how high my mixin is. So my plan is to wait a while, and don't transfer the exact amount. Ideally, I would transfer after my public key has already been used by somebody else.

So, is there any service that shows this to me?

Thank you!

Replies: 1
luigi1111 edited 9 years ago Weight: -314 | Link [ - ]

If you are transferring "immediately" after receipt (say back to back blocks when no other transactions have occurred), then yeah it's going to be "obvious". If (when) more transactions are occurring, it won't be much of an issue. The thing that could make it obvious beyond that simple timing analysis is going to be whether the specific amount is obscured, not whether your output(s) have been used by someone else. Auto denomination works to thwart this, and the "attacker" should be left guessing.

You're going to NOT want to use Shapeshift for the return trip, unless you break it up into multiple pieces and (ideally) leave a bit left over OR you trust them with your privacy for some reason.