Cryptocurrencies are digital assets that rely on an encrypted network to perform, verify, and record transactions completely independently of a country government. Blockchain the underlying technology that powers crypto is seen as a disruptive technology. Even crypto are digital assets that have no physical form. Cryptocurrencies exist and operate on a public ledger called the blockchain, which records all crypto transactions.
While everyone is optimistic cryptocurrencies may one day be accepted as a form of money, most see crypto as an alternative asset that can appreciate in value. So people rush to invest here especially because of the profit gains. Moreover, some people buy cryptocurrency as a way to indirectly invest in its underlying blockchain.