Tulips, Railways and Why We Don't Take Bitcoin
![Table of daily volatility vs. the US Dollar (last 5 years) for Euro, gold, S&P500, Bitcoin. Source: BullionVault Table of daily volatility vs. the US Dollar (last 5 years) for Euro, gold, S&P500, Bitcoin. Source: BullionVault](https://www.bullionvault.com/gold-news/sites/default/files/btc-volatility-sp-gold-eur.png)
- Coins began replacing unwritten social debts in the 7th Century BC...
- Paper notes acted as a receipt for gold coin from the Middle Ages...
- Today's contactless cards now make both coins and paper redundant (as well as the cashier at the till) as far as the vast majority of shoppers are concerned.