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Encrypt everything, all the time, everywhere, use quantum hardened encryption wherever possible.

This does not work if your communication enpoint is the same as your encryption endpoint.

Or you don't control your key material.

Or your tech supply chain.

Or leave your device unattended.

Or aren't susceptible to the same "five dollar wrench" attacks used by certain in-person Bitcoin wallet thievestgat are also available to state actors.

I could go on...

You may never be able to completely protect yourself, but you can make an attack much more costly. For example, I use Heads with a hardware key to defend myself from an Evil Maid.

No one said encryption was perfect, but it is how you make mass surveillance ineffective. Targeted attacks are very different than wide nets.

You raise an excellent point. I'd only counter that a number of the factors I raised are manipulated to retain mass surveillance even in the presence of mass encryption. Let's start with manipulating random number generators or controlling elliptic curve constants...

Reply on news.ycombinator.com