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chore: update docs to represent zksync supporting necessary precompiles #5071

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May 22, 2024
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chore: update docs to represent zksync supporting necessary precompiles #5071

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3 changes: 2 additions & 1 deletion docs/versioned_docs/version-v0.29.0/how_to/how-to-solidity-verifier.md
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Expand Up @@ -212,13 +212,14 @@ It would be incorrect to say that a Noir proof verification costs any gas at all

ZK-SNARK verification depends on some precompiled cryptographic primitives such as Elliptic Curve Pairings (if you like complex math, you can read about EC Pairings [here](https://medium.com/@VitalikButerin/exploring-elliptic-curve-pairings-c73c1864e627)). Not all EVM chains support EC Pairings, notably some of the ZK-EVMs. This means that you won't be able to use the verifier contract in all of them.

For example, chains like `zkSync ERA` and `Polygon zkEVM` do not currently support these precompiles, so proof verification via Solidity verifier contracts won't work. Here's a quick list of EVM chains that have been tested and are known to work:
For example, `Polygon zkEVM` does not currently support these precompiles, so proof verification via Solidity verifier contracts won't work. Here's a quick list of EVM chains that have been tested and are known to work:

- Optimism
- Arbitrum
- Polygon PoS
- Scroll
- Celo
- zkSync

If you test any other chains, please open a PR on this page to update the list. See [this doc](https://github.com/noir-lang/noir-starter/tree/main/with-foundry#testing-on-chain) for more info about testing verifier contracts on different EVM chains.

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