An Open-Source FIDO U2F implementation on nRF52 SoC
Why do you think that https://github.com/solokeys/solo1 is a good alternative to nrf52-u2f
An Open-Source FIDO U2F implementation on nRF52 SoC
Why do you think that https://github.com/solokeys/solo1 is a good alternative to nrf52-u2f