Real Purchasing Power (Inflation-Adjusted) for USD, EUR, GBP and BTCUSD for 2010-21.

Source: 'Inflation: The Insidious Thief', as published by Kraken, available here (with a corresponding PDF download link): 

https://t.co/gEnMk3Yg50

     https://t.co/4y7eVOhC3W