UI is the point when interactions between machines and people happen. It lays down the parameters of a user's interaction with a machine.
Coin
Cryptocurrencies known as coins run on separate blockchains and are unrelated to other coins. Such a cryptocurrency's single unit is also known as a coin.
In blockchain, an address refers to a unique alphanumeric identifier associated with a digital wallet or account that is used to send, receive, and store cryptocurrencies or other digital assets.