Kobi's blog

Privacy Pass + x402 = blinding for x402

The Privacy Pass protocol has been out there for a long time. It's simple to implement and deploy, and provides a straightforward way for services to provide safe private credits to their users.

Kobi Gurkan|October 21, 2025

ZODA FAQ for engineers

An engineer's set of questions when using ZODA

Kobi Gurkan|October 03, 2025

Signature schemes you've never heard about

An exploration of some interesting signature schemes!

Kobi Gurkan|August 27, 2025

Verifiable Verifications

Bluesky recently introduced a new form of verification. It’s a social version of the familiar notion of a blue check, in a way that is architecturally aligned with Bluesky and its underlying protocol ATProto. This allows notable accounts and accounts that are related to trusted organizations to be verified as authentic.

Kobi Gurkan|May 22, 2025