CAPTCHAs verifications are only to protect servers from spamming and bot activities.
To develop this feature, Apple has collab withFastly and Cloudflare, the two major content delivery networks.
Besides, Apple also releaseda videoexplaining the complete process of this CAPTCHAs bypass and Private Access Token.
Availability
Now, your question will be how can you use this feature?
This is currently under development; for now, developers can only access it.
And this will be available for iPhones, iPad, and Macs.
