AccountService is responsible for operations related to wallet accounts: - Create a new account.

Notification service has the very simple task of making the event channels of the used domain.TransactionRepository and domain.UtxoRepository accessible by external clients so that they can get real-time updates on the status of the internal wallet.

TransactionService is responsible for operations related to one or more accounts: - Get info about a wallet-related transaction.

WalletService is responsible for operations related to the managment of the wallet: - Generate a new random 24-words mnemonic.