When will this be optimized?
As far as I can know, there is no any issue with this duplication
This improvement is on our roadmap in the next couple of weeks, stay tuned.
Thanks to @AlexsCode, this issue is currently in review process GitHub: (Fix/certicatedup by AlexsCode · Pull Request #13 · iotaap/iotaap-os · GitHub)
It should be released in the upcoming versions of the IoTaaP OS.