# Verify Risc0 Proofs

## **Risc Zero Verifier Contract (Risc0)**

If your W3bstream project generates Risc Zero proofs, you can verify it from your Dapp deployed on the IoTeX blockchain by calling the IoTeX pre-deployed verifier contract for Risc Zero.

<table><thead><tr><th width="122">Network</th><th width="434">Verifier Contract</th><th>Source Code</th></tr></thead><tbody><tr><td><strong>Testnet</strong></td><td>0xD6c51c8Fb86F8e7b051AB52B3EEDd70467378016</td><td><a href="https://github.com/machinefi/sprout/blob/develop/examples/risc0-circuit/contract/RiscZeroGroth16Verifier.sol#L139">-> Link to GitHub</a></td></tr><tr><td><strong>Mainnet</strong></td><td>N/A</td><td>N/A</td></tr></tbody></table>

### Example W3bstream Dapp Contract

{% embed url="<https://github.com/iotexproject/w3bstream/blob/develop/examples/risc0-circuit/contract/Risc0Dapp.sol>" %}


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