send some non-private crypto to an instant exchange
exchange it for monero
withdraw the monero
after some time send some monero to that same instant exchange to exchange it for some non-private crypto

Would the instant exchange have a way to determine if the two transactions are connected to the same wallet (amounts being different)? What time difference between the 2 transactions would be sufficient?

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[–] monerod@monero.town 1 points 1 week ago* (last edited 1 week ago)

Here is some more information:

An instant exchange is a CEX where you don't register such as Changenow.

Everything is done through TOR browser. No data is provided except for the non-private crypto wallets. Wallet in use is monero-core.

The idea is to disconnect non-private crypto wallets from each other (eth, sol, btc).

Threat model is plausible deniability. Nobody is currently monitoring me, but just in case in the future someone gets interested in me... It's not a problem if it becomes visible in 10 years.

My understanding is that the exchange would not have a way of knowing that the xmr it receives from a monero-core wallet consists of the xmr it previously sent to that wallet. Any connection that could be made would be circumstantial at best. Is that correct?