A free, self-guided course
Money & Bitcoin, from first principles
A free, self-guided course on money and Bitcoin — from barter and the properties of money through monetary history, computer science, cryptography, and Bitcoin itself.
48 of 48 lessons
Economics
What money actually is — and the properties that make something good money.
Monetary History
From shells and gold to fiat and the petrodollar — how we got here.
Computer Science
Double spends, Byzantine generals, and the decentralization lessons of Napster and BitTorrent.
Cryptography
Hash functions, keys, signatures and the elliptic curves that underpin Bitcoin.
Bitcoin
Everything so far, assembled: the properties of gold, rebuilt for a digital age — with no one in charge.