Cabanga umhlaba lapho ungathumela khona imali emhlabeni jikelele ngemizuzwana, ungaxhomekeki ezinkampanini zebhange, abaphakathi, noma ezindlekweni eziphezulu. Lokhu akusikho ukusho kwesayensi — lokhu kuyithembiso ye-cryptocurrency. Emashumini eminyaka edlule, imali yedijithali efana ne-Bitcoin, i-Ethereum, kanye nezinye izinkanyezi eziningi zishintshe indlela abantu abacabanga ngayo ngemali, ubunikazi, nokwethembeka.