Silk - Privacy Pass Client v4.0.2 
This extension provides unlinkable cryptographic tokens for websites that support the Privacy Pass protocol. For example, these tokens can be used on Cloudflare-protected websites to improve your human signal.
How it works?
Privacy Pass Providers: Cloudflare Research
Get tokens
- If a website requests a Privacy Pass token, the extension is automatically going to request you to perform the associated challenge.
- One page will open with a challenge to be solved.
- Solve successfully the challenge and the extension will get **one** token.
- See FAQs and Known Issues section: if something is not working as expected.
Tags: privacy security