【Event】 The Apple Pay certificate will expire. Used to encrypt Apple Pay tokens. We use stripe. 【Steps】 Download the .certSigningRequest (CSR file) from Stripe (on the Stripe dashboard). Select the merchant ID to add to this certificate, click 'Create Certificate' in the Apple Pay Payment Processing Certificate section (on Apple). When prompted to upload a certificate signing request, select the .certSigningRequest file you have downloaded and proceed to download. Verify that the details of the certificate are correct, and download the certificate locally. Upload the new certificate file on Stripe. Go back to Apple’s Developer Center, select the MerchantID and activate the Apple Pay Payment Processing Certificate (Apple Pay settlement processing certificate) you created. 【Question】 I would like to understand the method for rolling back in case the update of the certificate unexpectedly fails. I am contemplating the following measures; would they be feasible? Preserve the old certificate Reactivate the old certificate once more Additionally, do you have any other proposals?