Cryptocurrency

Perhaps it failed were you live but many citizens started relying on it.

Egypt - my country - is going though tough economy and government is taking draconian measures to restrict people's access to foreign currency (to reduce imports and having incoming foreign currency all to itself).

Crypto helped a lot of people exchange dollars and Egyptian pounds at fair price, move their savings somewhere safe, regain some ability to do online purchases among others.

Similarly Russians traveling had to rely on crypto because obviously no bank accept rubles nor Russian debit/credit cards. Crypto may not be helping you but its helping lot of people