There is a procedure for recovering access to the E2EE data in the event that you no longer have access to any of your Apple devices. https://support.apple.com

There is a procedure for recovering access to the E2EE data in the event that you no longer have access to any of your Apple devices. https://support.apple.com/guide/security/secure-icloud-keychain-recovery-secdeb202947/web https://support.apple.com/guide/security/secure-icloud-keych...