# Engineering 128-Bit Soundness with PIL2 | Ayush Bhadauria | ETHMumbai 2026

- Channel: [ETHMumbai](https://streameth.org/ethmumbai)
- Date: 2026-08-09
- Duration: 14:38
- Watch: https://streameth.org/watch/yt-ZKFk8p4HYcc
- YouTube: https://www.youtube.com/watch?v=ZKFk8p4HYcc

## Description

Push the limits of ZK-STARKs. This technical deep dive explores achieving 2^128 soundness using PIL2. We’ll cover direct constraints, lookups, and connection challenges in the next-gen Polygon zkEVM stack to ensure your proofs are mathematically unbreakable at scale.

Follow Ayush on X: https://x.com/0xAbix
Follow ETHMumbai on X: https://x.com/ethmumbai

ETHMumbai 2026 is the BEST Ethereum Conference & Hackathon hosted on 12th – 15th March 2026 in Mumbai.