Why Crypto Exists

What this course covers, the three paths through it, and the ground rules: education, not advice.

The three jobs money does — and why money has always been a ledger rather than a thing.

What really happens in the seconds after you tap a card — what the middlemen do for us, and what they cost.

Weimar Germany, Zimbabwe, and 2008: what happens when the people keeping the ledger fail.

The double-spend problem, and the decades of brilliant failures that came before Bitcoin.