Which of the following statements about cryptocurrency is true. Select all that apply.

Cryptocurrency is a digital asset where a secure form of mathematics is used to handle transactions, control the creation of additional units, and verify the transfer of assets.

Cryptocurrency can be used for different purposes, like supply chain management, payment system and so on$.$

Cryptocurrency refers to physical coins and banknotes used in digital transactions.

Cryptocurrency is a government$-$regulated form of digital payment accepted only for online purchases.