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A collection of 5 posts
On Vitalik's vision for a Private, Multi-address future
privacy

On Vitalik's vision for a Private, Multi-address future

Vitalik's recent blog post on stealth addresses brought privacy concerns back to the limelight. In this response blog post, we dig deeper into the technical challenges to solve so we can move to a private, multi-address future for crypto.
Jan 27, 2023 3 min read
Private ECDSA Verification using ZK: Motivation, Optimizations & Security
cryptography

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.
Jan 5, 2023 7 min read
Applied ZK part 3 or how we made anonymous casts on Farcaster possible
cryptography

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!
Oct 26, 2022 5 min read
Introducing Sealcaster — anonymous casting on Farcaster powered by ZK
big whale labs

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!
Sep 27, 2022 6 min read
Private Email Attestation
big whale labs Featured

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.
Sep 15, 2022 4 min read
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