0x431493978E9945D1AaB24956Ae7717EB68f7A743

on Base Mainnet (8453)

Exact Match

Runtime Bytecode

Creation Bytecode

Contract Name: CertificationRegistry
Compilation Target: contracts/CertificationRegistry.sol:CertificationRegistry
Language: Solidity
Compiler: solc 0.8.28+commit.7893614a
EVM Version: paris
Verified At: 2026-10-11 15:57:08 UTC
Deployer: 0xf50fb9eCEf3D3168542f390A1c8969eCd9624A4c
Deployment Transaction: 0x5bdc92f9235d0049afa80d25eae7ebb4df1264e8e81d54688c60e4a5ac94e4d7
Block Number: 52463863
Transaction Index: 66

Read/Write Contract on:

ABI

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Source Code

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EXPLORER

CertificationRegistry.sol

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Compiler Settings

Contract Metadata

Creation Bytecode

Annotated On-chain Bytecode

On-chain Bytecode

Recompiled Bytecode

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CBOR Auxdata

These values are what Sourcify extracted from the recompiled bytecode. If these values are different in the on-chain bytecode, they will show up in Transformations section.

CBOR Auxdata id: 1

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Solidity metadata.json IPFS hash: Qmbuo9JURSUZVZJWfhLtjzZsUEi6ykHFHANoDxxe49E1Zp

Raw

Decoded

Length: 53 bytes

0xa2646970667358221220c9a5a2308842c652f39c714755ddcd6becf0574f066877dabf968c52cb060c9764736f6c634300081c0033

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Transformations

Constructor Arguments

Raw

Decoded

Length: 32 bytes

0x000000000000000000000000f50fb9ecef3d3168542f390a1c8969ecd9624a4c

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Runtime Bytecode

Annotated On-chain Bytecode

On-chain & Recompiled Bytecode

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CBOR Auxdata

These values are what Sourcify extracted from the recompiled bytecode. If these values are different in the on-chain bytecode, they will show up in Transformations section.

CBOR Auxdata id: 1

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Solidity metadata.json IPFS hash: Qmbuo9JURSUZVZJWfhLtjzZsUEi6ykHFHANoDxxe49E1Zp

Raw

Decoded

Length: 53 bytes

0xa2646970667358221220c9a5a2308842c652f39c714755ddcd6becf0574f066877dabf968c52cb060c9764736f6c634300081c0033

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Storage Layout

For non-default storage allocations (e.g. EIP-7201) check out

Slot	Bytes	Label	Type	Contract
0	20	_owner	address	contracts/CertificationRegistry.sol:CertificationRegistry
1	32	isCertifier	mapping(address ⇒ bool)	contracts/CertificationRegistry.sol:CertificationRegistry
2	32	_certs	mapping(address ⇒ mapping(bytes32 ⇒ struct CertificationRegistry.Cert))	contracts/CertificationRegistry.sol:CertificationRegistry

Transient Storage Layout

No transient storage layouts found in the compiler output.

Standard JSON Input

This isn't the original compiler JSON data. Generated for compatibility.

Standard JSON Output

This isn't the original compiler JSON data. Generated for compatibility.