You can go back in time and turn on public key pinning. Alternatively, you could turn it on now and protect yourself from reliance on future discovery of safe

You can go back in time and turn on public key pinning. Alternatively, you could turn it on now and protect yourself from reliance on future discovery of safe time travel. https://en.wikipedia.org/wiki/HTTP_Public_Key_Pinning https://en.wikipedia.org/wiki/HTTP_Public_Key_Pinning