The Tor Project and TAILS are teaming up.

Tails - Uniting for Internet Freedom: Tor Project & Tails Join Forces

Whoa, I just discovered that you can run bitcoind on Android using termux. Just install termux and run `pkg install bitcoin`.

Reminder: if your wallet is connected to your Bitcoin Core node directly (instead of an Electrum server) your xpub is stored in cleartext.