> I assume you can use your "regular" Bluetooth address for any communication with paired devices
It turns out even that's not true. It's normal to use a different mac each time you connect to the same paired device: https://www.lairdconnect.com/support/faqs/why-does-ble-mac-a...
I don't know whether it multiple mac's in flight at the same time, but given the the effort they've put into it, it's entirely possible.
> I assume you can use your "regular" Bluetooth address for any communication with paired devices
It turns out even that's not true. It's normal to use a different mac each time you connect to the same paired device: https://www.lairdconnect.com/support/faqs/why-does-ble-mac-a...
I don't know whether it multiple mac's in flight at the same time, but given the the effort they've put into it, it's entirely possible.