Lecture 3 of The Bitcoin Standard breaks down how primitive moneys rose and fell—spoiler: production difficulty = everything.

Rai stones, glass beads, seashells—all collapsed when supply became easy to manipulate.

Sound money isn't just scarce. It's HARD to produce.

This is why $BTC's proof-of-work matters. Easy money = death spiral. Always has been.

If you're not studying monetary history, you're ngmi in this cycle.