Contract

0x00000000009E00F9FE82CfeeBB4556686da094d7

World: ID 4.0 Verifier

Source Code Source Code (Proxy)

Implementation:

0xff93a014...Ca07D4C73

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Overview

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0 ETH

ETH Value

$0.00

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ContractCreator

0xe72f711E...f46715eca | 233 days ago

Multichain Info

$0 (Multichain Portfolio)

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Latest 2 from a total of 2 transactions

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	Transaction Hash	Method	Block		From		To
	0x708070d45914228192d3cdb0926cd7cac72ac613e22f523abf9db32da4683c2c	Transfer Ownersh...	Transfer Ownersh...	28438244	2026-04-15 0:15:27	184 days ago	1776212127	0xe72f711E...f46715eca	IN	World: ID 4.0 Verifier	$0.000 ETH	0.00000005	0.00100025
	0xa9ec9f347e34daa9ccfea4003ecee1f28c861527d28e69e94f258060ef961f80	Accept Ownership	Accept Ownership	26326792	2026-02-25 3:13:43	233 days ago	1771989223	0xe72f711E...f46715eca	IN	World: ID 4.0 Verifier	$0.000 ETH	0	0.00010025

Latest 1 internal transaction

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Parent Transaction Hash	Block		From		To
0xf81d4de041677742b48269cc9214d2b1dc2bf2f772b965d08d68bcee5a61e171	26326792	2026-02-25 3:13:43	233 days ago	1771989223	0x7f170d4E...73Bf34085		Contract Creation	0 ETH$0.00

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Exact Match Similar Match: 0x00000000...a9E4d67d4

Constructor Proxy Implementation:0xff93a014...Ca07D4C73

API

Contract Name

ERC1967Proxy

Compiler Version

v0.8.28+commit.7893614a

Optimization Enabled

Yes with 10000 runs

Other Settings

cancun EvmVersion

License

-NA-

Sol2Uml
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Contract Source Code (Solidity Standard Json-Input format)

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Contract ABI

API

[{"inputs":[{"internalType":"address","name":"implementation","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"name":"ERC1967InvalidImplementation","type":"error"},{"inputs":[],"name":"ERC1967NonPayable","type":"error"},{"inputs":[],"name":"FailedCall","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"}]

Deployed Bytecode

Decompile Bytecode

0x60806040525f8073ffffffffffffffffffffffffffffffffffffffff7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5416368280378136915af43d5f803e156053573d5ff35b3d5ffd

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proxy contracts

lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Proxy.sol
lib/openzeppelin-contracts/contracts/proxy/Proxy.sol
lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Utils.sol
lib/openzeppelin-contracts/contracts/proxy/beacon/IBeacon.sol
lib/openzeppelin-contracts/contracts/interfaces/IERC1967.sol
lib/openzeppelin-contracts/contracts/utils/Address.sol
lib/openzeppelin-contracts/contracts/utils/StorageSlot.sol
lib/openzeppelin-contracts/contracts/utils/Errors.sol
lib/openzeppelin-contracts/contracts/utils/LowLevelCall.sol

implementation contracts

src/core/WorldIDVerifierV2.sol
src/core/WorldIDVerifier.sol
src/core/interfaces/IWorldIDVerifier.sol
lib/oprf-key-registry/src/OprfKeyRegistry.sol
lib/oprf-key-registry/src/BabyJubJub.sol
src/core/CredentialSchemaIssuerRegistry.sol
src/core/interfaces/ICredentialSchemaIssuerRegistry.sol
src/core/WorldIDRegistry.sol
src/core/Verifier.sol
src/core/abstract/WorldIDBase.sol
lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol
lib/oprf-key-registry/src/OprfKeyGen.sol
lib/openzeppelin-contracts-upgradeable/contracts/access/Ownable2StepUpgradeable.sol
lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/UUPSUpgradeable.sol
lib/openzeppelin-contracts/contracts/utils/cryptography/SignatureChecker.sol
src/core/libraries/FullStorageBinaryIMT.sol
lib/openzeppelin-contracts/contracts/utils/cryptography/ECDSA.sol
src/core/libraries/PackedAccountData.sol
src/core/interfaces/IWorldIDRegistry.sol
lib/openzeppelin-contracts-upgradeable/contracts/utils/cryptography/EIP712Upgradeable.sol
lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol
lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol
lib/openzeppelin-contracts/contracts/proxy/utils/Initializable.sol
lib/openzeppelin-contracts-upgradeable/contracts/access/OwnableUpgradeable.sol
lib/openzeppelin-contracts/contracts/proxy/utils/UUPSUpgradeable.sol
lib/openzeppelin-contracts/contracts/interfaces/IERC1271.sol
lib/openzeppelin-contracts/contracts/interfaces/IERC7913.sol
lib/openzeppelin-contracts/contracts/utils/Bytes.sol
src/core/hash/Poseidon2.sol
lib/openzeppelin-contracts/contracts/utils/cryptography/MessageHashUtils.sol
lib/openzeppelin-contracts/contracts/interfaces/IERC5267.sol
lib/openzeppelin-contracts/contracts/interfaces/IERC1363.sol
lib/openzeppelin-contracts-upgradeable/contracts/utils/ContextUpgradeable.sol
lib/openzeppelin-contracts/contracts/interfaces/draft-IERC1822.sol
lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Utils.sol
lib/openzeppelin-contracts/contracts/utils/math/Math.sol
lib/openzeppelin-contracts/contracts/utils/Strings.sol
lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol
lib/openzeppelin-contracts/contracts/interfaces/IERC165.sol
lib/openzeppelin-contracts/contracts/proxy/beacon/IBeacon.sol
lib/openzeppelin-contracts/contracts/interfaces/IERC1967.sol
lib/openzeppelin-contracts/contracts/utils/Address.sol
lib/openzeppelin-contracts/contracts/utils/StorageSlot.sol
lib/openzeppelin-contracts/contracts/utils/Panic.sol
lib/openzeppelin-contracts/contracts/utils/math/SafeCast.sol
lib/openzeppelin-contracts/contracts/utils/math/SignedMath.sol
lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol
lib/openzeppelin-contracts/contracts/utils/Errors.sol
lib/openzeppelin-contracts/contracts/utils/LowLevelCall.sol

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Custom Contract ABI

Implementation:0xff93a014...Ca07D4C73 EIP-1967

Transaction Hash	Block	Age	Implementation	Event	Status

Proxy Contract	Transaction Hash	Block	Age	Proxy Type

Block		Transaction	Difficulty	Gas Used	Reward

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OVERVIEW

Contract for verifying World ID 4.0 proofs (Uniqueness and Session proofs).

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Transaction Hash	Block		Value	Eth2 PubKey	Valid

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0x00000000009E00F9FE82CfeeBB4556686da094d7

Net Worth in USD

$0.00

Net Worth in ETH

Multichain Portfolio | 31 Chains

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Compiler specific version warnings:

The compiled contract might be susceptible to the Solidity Compiler Bugs below:

YulOptimizerKnowledgeBaseStaleBookkeeping (low-severity)
MisorderedNamedParametersInRequireWithCustomErrors (very low-severity)
MemoryByteArrayElementDeleteClearsWholeWord (low/medium-severity)
SpillSlotCollisionAcrossMutualRecursion (low/medium-severity)
UnsoundSpillInMutualRecursion (medium-severity)
TransientStorageClearingHelperCollision (high-severity)
LostStorageArrayWriteOnSlotOverflow (low-severity)

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