how does riot interact with the nrf52 BLE chip

Hi, I was reading this tutorial https://devzone.nordicsemi.com/blogs/981/setting-up-ipv6-over-ble-using-nrf52-series-and-ri/ and I was wondering, since RIOT does not have a BLE stack, how is it possible to use the nRF52832 SoC?

Best, Nikos

Hi Nikos,