I'm a bit surprised by the fixed fee of 5 USD/month (compared to AWS S3 and Google Cloud Storage which have no minimum). The documentation says nothing about d

I'm a bit surprised by the fixed fee of 5 USD/month (compared to AWS S3 and Google Cloud Storage which have no minimum). The documentation says nothing about durability of stored objects (replication, etc.). I'm wondering if there is a way to restrict delete operations to some privileged users (for backups)?