Why did you choose to use Stripe, given you wanted an anonymous publishing platform?

While the use doesn't need to enter their cardholder name, their card details, ip address and any reference numbers can be tracked in Stripe's dashboard (Payment method info, Risk Insights, Related Payments).

While scheme payments are never truely anonymous, an approach you could use would be to tokenize card holder data and charge it to various linked PSPs. Such an approach would avoid all payments to one provider and obfuscate the user's ip address (since you are doing a server-to-server integration). Such a solution would typically add ~4c to your transaction costs.