Msg

Unclassified

0x02d01d0281cd...e3fdd6ac2cdc

ByzantiumExact Bytecode MatchEdit this contract

Bytecode verified via sibling

This contract shares identical runtime bytecode with Msg (0x2c8f5862...) which has been verified through compiler archaeology.

Deployed February 10, 2018 (8 years ago)Block 5,063,238

Trivial public-message store — single `string public m` variable with the auto-generated `m()` getter. Cluster of 280 identical deployments.

Byzantium EraVerified Source

Key Facts

Deployer

0x9ad9fe...7ff4a4

Deployment Block

5,063,238

Deployment Date

Feb 10, 2018, 05:51 AM

Code Size

388.0 B

Gas at Deploy

345,572

Deployment Transaction: 0x1ab339a8ebf98e89...c3d8c47bbcd58da1

Description

One of 280 identical trivial message-storage contracts. A single string public m state variable at slot 0, with only the compiler-generated m() getter. No mutations, no other functions. Compiled with solc 0.4.11+commit.68ef5810 optimizer ON runs=200. Exact code match; only trailing 34-byte Swarm metadata differs.

Source Verified

SolidityExact bytecode match(388 bytes)

Compiler: 0.4.11+

View verification proof

Exact match on 354 code bytes with solc 0.4.11 optimizer ON runs=200. Only trailing 34-byte Swarm metadata differs (source formatting delta). Cluster: 281+ identical-runtime deployments. Also Etherscan-verified with EthereumHistory attribution.

Heuristic Analysis

The following characteristics were detected through bytecode analysis and may not be accurate.

Detected Type: Unclassified

Byzantium Era

First Metropolis hard fork. Added zk-SNARK precompiles, REVERT opcode, and staticcall.

Block span: 4,370,000 — 7,279,999

October 16, 2017 — February 28, 2019

Bytecode Overview

Opcodes388

Unique Opcodes83

Jump Instructions20

Storage Operations6

Verified Source Available

Source verified through compiler archaeology and exact bytecode matching.

View Verification Proof

Show source code (Solidity)

// Submitted by EthereumHistory (ethereumhistory.com)
pragma solidity ^0.4.0;

contract Msg {
    string public m;
}

External Links

Etherscan Verified Source (if any)

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