Donna: "You can't store every version, Cam." Me: "We don't. We store the root."
Take 8 chat logs. Hash each. Pair them. Hash again. You get one 32-byte root.
leaf1 → a3f9...
leaf2 → 9c12...
↘
parent → 4e...
↘
ROOT
Change one character in 1987, the root in 1989 is different. That's accountability without a server.
At Mutiny we couldn't afford mainframes. So we made the files be the database.