Just how anonymous is bitcoin? If I have an account at a seller, it is well known that it is mine. And since the ledger is supposedly public because of the way blockchain works, how hard is it to track my transactions?
It's only anonymous if none of the transactions can be associated with you. Otherwise it's a very transparent system because all the transactions are recorded on the blockchain, like you said (essentially open books).
People who are concerned do all sorts of (legal or illegal) laundering by way of "mixing" and other techniques to make it harder to trace, but there are increasingly more tools to track and trace webs of transactions.
If you wanted to be anonymous, though, you wouldn't buy bitcoin, you'd only mine it and hide behind layers of security while changing your IP through proxies/VPN, and only use P2P exchanges that aren't tied to your identity.
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