I thought it was pretty well known that this is not only possible but probable. Great research and write up though.
Another reason your bitcoin node should be tor only.
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Tor only has potential eclipse attack issues (see old paper Bitcoin over Tor isn't a good idea), for preserving privacy Tor + I2P is better way to go. Having two different privacy networks mitigates this. If possible, adding Blockstream sattelite receiver on top will also help.
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Also adding the banlist option in bitcoin core and remove the fuckers. I keep also a limited number of allowed peers on my bitcoin.conf.
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I think a money transmitting network needs to have anonymity. Transactions should never appear near the physical store of the private key.
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