The friend could have purchased a stablecoin. For instance, as of writing right now, he could have bought USDT and had the same amount of money after 6 months.

The friend could have purchased a stablecoin. For instance, as of writing right now, he could have bought USDT and had the same amount of money after 6 months. Obviously, the stability of USDT is rightfully questioned. But the stability of storing many liters of petrol in your house should also be questioned.