---
id: "prereq-fiat-inflation"
type: "prereq"
source_timestamps: ["00:07:31", "00:23:30"]
tags: ["macroeconomics", "monetary-policy"]
related: ["concept-the-halving"]
reason: "Without understanding that fiat currency loses value, the necessity of a capped-supply asset like Bitcoin is unclear."
sources: ["erictrump"]
sourceVaultSlug: "cardone-eric-trump-genoot-abtc-bitcoin-2026Jun25"
originDay: 2
---
# Understanding Fiat Inflation

## What you need to understand first

Fiat currencies (US Dollar, Euro, Yen, etc.) are **inflationary by design**. Central banks continuously expand the money supply through interest-rate management, open-market operations, and (during crises) outright purchases of assets. This expansion steadily erodes the purchasing power of the currency over time.

## Why this matters for the rest of the vault

Without this prior, the value proposition of Bitcoin's capped supply does not register:

- [[concept-digital-hard-asset]] only matters if there is an alternative store of value being eroded.
- [[concept-the-halving]] only matters as a contrast to fiat issuance — both are programmatic, but one issues less over time while the other issues more.
- [[claim-bitcoin-price-prediction]] depends in part on the macro narrative of fiat debasement.

## What to know in practice

- Central banks target a positive inflation rate (typically ~2% in major economies).
- Periods of aggressive monetary expansion (e.g., post-2008 QE, COVID-era stimulus) significantly accelerate the erosion of purchasing power.
- Bitcoin advocates view this as the structural reason for a fixed-supply alternative.