Completely anonymous contributions are not possible.
Member data (including name, e-mail address and account information) will be visible to Steady, the creator they support, our invoicing service Chargebee, and the member's selected payment service provider (GoCardless for SEPA direct debit, Braintree for credit card payments and Paypal for Paypal payment).
Got a question we haven’t answered in our Help Centre? You can contact us at support@steadyhq.com.