# Use ZK Coprocessor to Build Data-Driven dApps Without Writing a Single Line of ZK Circuit | Junda

- Channel: [Ethereum Denver](https://streameth.org/ethereum-denver)
- Date: 2024-10-09
- Duration: 16:32
- Topics: blockchain, web3, ethereum
- Watch: https://streameth.org/watch/yt-YhigzdQ0BMc
- YouTube: https://www.youtube.com/watch?v=YhigzdQ0BMc

## Description

ZK Coprocessors allow smart contracts to trustlessly read historical on-chain states/tx/events and run customizable computations on top at low cost, enabling data-driven dApp UX. We give a step-by-step tutorial on how to build this new kind of dApps with no knowledge of ZK circuit development. Audience will understand what a ZK Coprocessor is and why it enables new data-driven dApp features. Understand how to build these without ZK circuit dev know-how.

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