Ephemeral Encrypted File Relay

File attachments are transmitted as encrypted blobs with temporary content identifiers (CIDs). Files are not pinned, archived, or indexed. Access is time-bound and optionally restricted to single decryption, preventing re-download or redistribution.

Once the access window expires or the file is successfully decrypted, all associated data is destroyed, maintaining parity with PRIV8’s zero-residue communication model.