If you&#x27;re archiving at all then OTR won&#x27;t encrypt them - it&#x27;s not going to archive the ciphertext.<p>I guess offline contacts is a use case against OTR, though whisper&#x27;s certainly has that sorted out already. <a href="https:&#x2F;&#x2F;whispersystems.org&#x2F;blog&#x2F;advanced-ratcheting&#x2F;" rel="nofollow">https:&#x2F;&#x2F;whispersystems.org&#x2F;blog&#x2F;advanced-ratcheting&#x2F;</a>