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.

October 21, 2025


ZODA FAQ for engineers

An engineer's set of questions when using ZODA

October 03, 2025


Signature schemes you've never heard about

An exploration of some interesting signature schemes!

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.

May 22, 2025