At SelfKey side, noone checks for Authenticity. SelfKey merely provides the underlying technology and framework, but will NEVER check or store your Data.
Instead, fractioned bits of your ID (which is stored on the users device only) will be hashed and then through the blockchain sent to a certifier that participates in the network.
Kindly refer to this Article and its graphics that illustrate this process quite nicely:
https://blog.selfkey.org/the-key-economy-d7fbc9efc270I hope that helps!

That is, your service includes a universal wallet for ETH and tokens, and also the ability to store personal data there. The verification of personal data will be carried out by those to whom they will be sent.
Agree it is very convenient) Pass the identity check 1 time, when registering. And then participate in all ICO without restrictions and long checks)