Sublime
An inspiration engine for ideas
For example, the hotline between the presidents of Russia and America is secured via a onetime pad cipher.
Simon Singh • The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography

Data and Goliath: The Hidden Battles to Collect Your Data and Control Your World
amazon.com


In the event of a sudden invasion, Estonia's elected leaders might scatter as necessary. Then, from cars leaving the capital, from hotel rooms, from seat 3A at thirty thousand feet, they will open their laptops, login, and—with digital signatures to execute orders and a suite of tamper-resistant services linking global citizens to their government—... See more
Lauren Razavi • Minimum Viable State: Building a Nomad Internet Country

You can read it as an EU mandate for E2EE - except other parts of the EU are trying to ban E2EE. You can read it as the EU standing up against government surveillance, except that plenty of EU states do this too.