Technical Write-ups & Blogs

UltraGroth Protocol Preview
Sep 1, 2025 · 20 min read

UltraGroth Protocol Explained

Dmytro Zakharov, Lasha Antadze, Oleksandr Kurbatov

Zero-Knowledge Groth16 Protocol Design

A deep dive into the UltraGroth protocol. We explore how to insignificantly modify the original Groth16 protocol to enable sampling random field elements and conducting lookup checks without sacrificing verification efficiency.

Fuzzy Extractors Preview
Feb 28, 2026 · 10 min read

Fuzzy Extractors in a Nutshell

Dmytro Zakharov

Biometrics Cryptography Theory Key Derivation

An accessible introduction to Fuzzy Extractors. This blog explains the mathematical mechanics behind reliably deriving strong, uniformly distributed cryptographic keys from noisy, biometric data sources.

Bionetta Framework Preview
May 5, 2025 · 15 min read

Bionetta: Ultimate Client-Side ZKML. Technical Overview

Dmytro Zakharov, Lasha Antadze, Oleksandr Kurbatov

ZKML AI Privacy R1CS

A technical overview of the Bionetta framework. We demonstrate how to leverage UltraGroth to achieve sublinear constraint complexity for non-linear operations like ReLU in neural networks, paving the way for efficient client-side ZKML.