Zero-Knowledge Proofs, D-Day, and the Promise of Trustable Software

An old proverb tells us, “You know nothing until another knows you know it.” Sometimes, though, you don’t want that someone to know sensitive details - just the “fact of.” For example, take April 1942. In two months’, Operation Overlord would invade Germany’s “Fortress Europe.” The Allies’ deception operation, Fortitude South - following a strategy from Sun Tzu’s The Art of War - wanted to prove to Germany that an invasion . . .