0xa3931d71877C0E7a3148CB7Eb4463524FEc27fbD
on Ethereum Mainnet (1)
Match
Runtime Bytecode
Creation Bytecode
- Contract Name
- ERC1967Proxy
- Compilation Target
- lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Proxy.sol:ERC1967Proxy
- Language
Solidity
- Compiler
- solc 0.8.21+commit.d9974bed
- EVM Version
- paris
- Verified At
- 2025-07-24 04:33:57 UTC
- Deployer
- 0xD6ec7a1b1f4c42C5208fF68b2436Fab8CC593fB7
- Deployment Transaction
- 0xe1be00c4ea3c21cf536b98ac082a5bba8485cf75d6b2b94f4d6e3edd06472c00
- Block Number
- 20677434
- Transaction Index
- 63
Read/Write Contract on:
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Source Code
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Compiler Settings
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Contract Metadata
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Creation 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: QmdqoLk2usez7KD8hQ7vMyaZxZxHouGSdaRYQT48Dv5tha
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Transformations
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CBOR Auxdata Transformations
| Byte Offsets | Length (bytes) | Values |
|---|---|---|
| 981 | 54 | Original (recompiled):0xa2646970667358221220e656e83e8db36782bf8bd71e87f7b40dd38c6399a2ebbe3ba122f6f765f32f0d64736f6c63430008150033 Transformed (onchain):0xa264697066735822122028d10d5fa15191e0076d746fee385e85e38c66493db023bd8132e64482041ee264736f6c63430008150033 |
Runtime 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
View on 
Solidity metadata.json IPFS hash: QmdqoLk2usez7KD8hQ7vMyaZxZxHouGSdaRYQT48Dv5tha
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Transformations
CBOR Auxdata Transformations
| Byte Offsets | Length (bytes) | Values |
|---|---|---|
| 117 | 54 | Original (recompiled):0xa2646970667358221220e656e83e8db36782bf8bd71e87f7b40dd38c6399a2ebbe3ba122f6f765f32f0d64736f6c63430008150033 Transformed (onchain):0xa264697066735822122028d10d5fa15191e0076d746fee385e85e38c66493db023bd8132e64482041ee264736f6c63430008150033 |
Storage Layout
For non-default storage allocations (e.g. EIP-7201) check out 
Transient Storage Layout
Transient storage layout is only available for Solidity contracts compiled with version ≥ 0.8.27.
Standard JSON Input
This isn't the original compiler JSON data. Generated for compatibility.
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Standard JSON Output
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