Yandex.Key too https://yandex.com/support/passport/authorization/twofa-on.html#app https://yandex.com/support/passport/authorization/twofa-on.h... but I'm like

Yandex.Key too https://yandex.com/support/passport/authorization/twofa-on.html#app https://yandex.com/support/passport/authorization/twofa-on.h... but I'm like 99% sure it's a proprietary protocol, not SQRL