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Takaros999 merged 1 commit into from
May 21, 2026
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docs: add world id verifier contract address #125

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14 changes: 9 additions & 5 deletions world-id/idkit/onchain-verification.mdx
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Expand Up @@ -94,12 +94,16 @@ const unpackedProof = abi.decode(["uint256[8]"], proof)[0];

## 2. Verifying Uniqueness proofs in `WorldIDVerifier.sol` (World ID 4.0)

<Warning>
`WorldIDVerifier` is currently in preview and not yet deployed to mainnet. The interface below may change before release.
</Warning>
`WorldIDVerifier` is deployed on World Chain Mainnet as an upgradeable proxy.
Use the proxy address in your integration:

| Chain | `WorldIDVerifier` proxy |
|---|---|
| World Chain | [0x00000000009E00F9FE82CfeeBB4556686da094d7](https://worldscan.org/address/0x00000000009E00F9FE82CfeeBB4556686da094d7) |

For v4 uniqueness proofs, call `verify(...)` and store used nullifiers to
enforce one-human-one-action semantics in your contract.
For v4 uniqueness proofs, call `verify(...)` on the `WorldIDVerifier` proxy and
store used nullifiers to enforce one-human-one-action semantics in your
contract.

```solidity
interface IWorldIDVerifier {
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