# What's Next for DeFi and AA: EIP-8141 | Krishang Shah | ETHMumbai 2026

- Channel: [ETHMumbai](https://streameth.org/ethmumbai)
- Date: 2026-08-09
- Duration: 09:26
- Watch: https://streameth.org/watch/yt-uqAbHO-VSME
- YouTube: https://www.youtube.com/watch?v=uqAbHO-VSME

## Description

EIP-8141 adds a new transaction whose validity and gas payment can be defined abstractly. Instead of relying on a single ECDSA signature, accounts can define and interpret their own signature scheme using any cryptographic system, making post-quantum upgrades practical.

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