If we are not thoughtful, if we do not remain ever diligent to the movements within the transformation, we may unleash corruption, criminality, and division on a greater scale. Blockchain could become a source for repression and totalitarianism.

Key quote right here. Blockchain should be used with caution. If nothing else, it has proven to be incredibly volatile. Buy raw meterials or a house (with cash and not a mortgage) if you want to protect your wealth.