F-Droid will use your original signatures as long as they can rebuild the binary to be identical (excluding the signature), to verify that everything is open so

F-Droid will use your original signatures as long as they can rebuild the binary to be identical (excluding the signature), to verify that everything is open source. They only discard your signatures if they can't confirm that, to avoid issues with hosting proprietary bits. https://f-droid.org/docs/Reproducible_Builds/ https://f-droid.org/docs/Reproducible_Builds/