Before you can understand what drives Bitcoin adoption on mass level, think about the fiats the king of cryptocurrency has achieved so far. Bitcoin is free from any type of affiliation with tangible assets, and hence, its value depends on factors that are not affected by a rise in material things that are correlated in the world we live in today. Many countries, including Iran and Venezuela, have turned to cryptocurrency for saving their economy from the doom they seemed fated to. A global financial crisis will not be effecting cryptocurrencies, and yes, that includes the Bitcoin in that list
