Private ECDSA Verification using ZK: Motivation, Optimizations & Security

Verifying ECDSA signatures privately, using zk proofs allows us to create anonymous credentials compatible with your existing Ethereum (and other) addresses. Verifying these signatures in circom is expensive. This blog post addresses the security of the recently proposed optimizations.

Applied ZK part 3 or how we made anonymous casts on Farcaster possible

This article walks you through the main technical details of how Sealcaster works — ZK, web3, OpenGSN, everything!

Introducing Sealcaster — anonymous casting on Farcaster powered by ZK

What's Sealcaster? How does it work? What can we do with it? Let's make the whole thing a bit clearer!

Why we need private email attestation

An insight into our motivation for building privacy tools. This post focuses on the issues with email and the missing technological links. Our private email attestation tool bridges a lot of these gaps.