According to "The Future of Money," what is the main type of digital currency? blockchain

Euros

bitcoin

cryptocash

cryptocurrencies or cryptocash

Explanation:

According to "The Future of Money," the main type of digital currency would be cryptocurrencies or cryptocash. These are basically assets which hold a specific value and are used as a medium of exchange. They have exploded in popularity due to their decentralized nature, incredibly fast transfer speeds, and incredibly low fees. All of which is made possible through blockchain technology which is what all cryptocurrencies are built on. This is why it is considered the future of money.

the correct answer is:   [d]:   " espionage " .

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