A cryptocurrency user is a person who uses cryptocurrencies, which are forms of virtual currency that use cryptography to secure transactions. Cryptocurrencies can be used to send money to people in other countries, make payments that are not recorded, or as a payment method in some cases.

To store, send, receive, and spend cryptocurrencies, cryptocurrency wallets are used. These wallets are designed to store the user's private key and allow them to access their cryptocurrencies at any time.

To check if one has cryptocurrencies in their name, one can review: Digital wallets, Emails and transactions, Exchange history, Blockchain explorer services.