Most money today is just a bunch of ones & zeros in various "secure" computer systems.
https://www.usbank.com/investing/financial-perspectives/market-news/economic-recovery-status.html
https://www.zerohedge.com/markets/buffetts-vice-chairman-dumps-over-half-his-berkshire-shares
https://www.britannica.com/money/fiat-money
https://www.zerohedge.com/economics/recession-now-or-stagflation-forever
https://www.investopedia.com/terms/f/fiatmoney.asp#
https://www.zerohedge.com/economics/bad-data-and-bad-models-how-fed-has-shattered-confidence