they could value your asset and decide to take actions from there
Indeed. So make sure they know nothing about your assets to start with. Never complete KYC, only trade peer to peer, obfuscate your transactions through mixers or coinjoins, run your own node, self host everything, and so on.
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I was putting the first three things in the list as one category under "government spying", but I take your point.
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Well, since you were talking about 1984, then I'm sure you'll agree 2+2=5.