7 . Almost everything has gone digital. Can cryptocurrencies replace

physical cash?

8. How do different countries apply taxation on cryptocurrency-based

transactions?

9 . In the Ethereum platform, which database is used to build blockchain?

The Ethereum database stores which type of data?

10. Write a note on:

a. Cryptocurrency exchange

b. Cryptocurrency ATM.

Key terminologies

Cryptocurrency: It is a digital asset designed to work as a medium of

exchange using strong cryptography for securing transactions,

controlling the creation of additional units, and verifying the transfer

of assets.

Bitcoin: A bitcoin is a computer file stored in a “digital wallet” app on

a computer or smartphone. You can send bitcoins to other people, and

people can send bitcoins to your digital wallet. The blockchain, which

is a public list, records every single transaction.

Ethereum: A platform for money and new kinds of applications that

are decentralized, it is global and open-source. On Ethereum,

accessible from anywhere in the world, you can write code controlling

digital value, running exactly as programmed on Ethereum.

Crypto exchange: The financial intermediaries needed to link

together different cryptocurrencies while offering clients a Web-based

centralized gateway to manage funds.

Fiat money: It is a currency not backed by a physical commodity,

such as gold or silver but backed by the government issuing it.

Cryptocurrency ATM: A kiosk allowing an individual to either

purchase bitcoin using cash or card or sell bitcoin for cash.