Monaco · EUR
The same story, told 1 way: in EUR, prices only rise. Measured in Bitcoin satoshis, the picture inverts. Each chart says what it is — observed data or a labeled model.
01 · One EUR, measured in sats
Observed · FX snapshots × BTC closes
2014: 1 EUR bought 390.4k sats. Today: 1.8k. Log scale — the fall is the story.
Go deeper: everything Monaco buys, in sats · where the EUR ranks in the Fiat League · your own salary in sats
Sources: World Bank CPI (observed) · ECB/market FX snapshots (observed) · SatsAtlas BTC daily closes · The Economist Big Mac index where shown (observed, CC BY 4.0). The salary chart is a labeled model (constant salary, BTC-only).