Create a .env file with the following structure:
BASE_URL="base exchange REST API endpoint"
API_KEY_2FA="api key that requires static 2FA"
API_SECRET_2FA="api secret that requires static 2FA"
API_PASSPHRASE="static 2FA passphrase"
API_KEY="api key not requiring static 2FA"
API_SECRET="api secret not requiring static 2FA"