ETH Price: $2,229.65 (-5.35%)
Gas: 0.609 Gwei

Contract

0x145E264d63312866ff4b966E7B5116CEd0B6F925
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Source Code Source Code

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$0.00

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 Latest 14 from a total of 14 transactions

Transaction Hash
Method
Block
From
To
0x5212e519267a3abc0c9038459f2519a2827df24c6f218b8bee747504c87fda1e
Post Message236491362025-10-24 18:33:35101 days ago1761330815
0xe51cbc58...8856A7C14
IN
0x145E264d...Ed0B6F925
0 ETH0.00000310.11156346
0x21aec73dd009ed10af61cd7ef1de0176aff6a7e9fad82b2992b5581284bf5a46
Post Message235558072025-10-11 16:54:59115 days ago1760201699
0x0d58eAA9...32F9bad2B
IN
0x145E264d...Ed0B6F925
0 ETH0.000014770.53160947
0xd1f5bd16fbd8b20fde32d0efdba4f98ea4e4716a77ccce0c98d119f3a11e669c
Post Message235557812025-10-11 16:49:47115 days ago1760201387
0x42E4Fd04...4B2Ab202d
IN
0x145E264d...Ed0B6F925
0 ETH0.000014810.53312003
0xe4f781bfd67b18b7458249c4d376cd753b4ca73f604bc6908c337c4699e22a3b
Post Message235554932025-10-11 15:51:23115 days ago1760197883
0xF9dCcbb2...D7b1c6f80
IN
0x145E264d...Ed0B6F925
0 ETH0.00001860.66934885
0xd6776c6f1ec67020f593540f061de2ecf9df89b55da4c05b61b5d11e5cd3dad2
Post Message235553692025-10-11 15:26:23115 days ago1760196383
0x833566D4...35A81c8B3
IN
0x145E264d...Ed0B6F925
0 ETH0.000024310.8748156
0x41dbc36199c7f6b308cc852a8e65d29d9345b0f350de7c3de14340beea44faba
Post Message235553382025-10-11 15:20:11115 days ago1760196011
0x7Fb30347...D75326846
IN
0x145E264d...Ed0B6F925
0 ETH0.000027490.98943898
0xac2a88a674d90d1ecf25d0fc994771b73f5566bbb814b92db53fbc79d744beea
Post Message235551252025-10-11 14:37:23115 days ago1760193443
0xa5D54722...3b99ab4ef
IN
0x145E264d...Ed0B6F925
0 ETH0.000018640.67093393
0xb0d57788cb732ad0e5542305dea6012dedde4090943bd0dab50af8259cc5e98b
Post Message235550732025-10-11 14:26:47115 days ago1760192807
0x88Dbe22e...7FE6221a8
IN
0x145E264d...Ed0B6F925
0 ETH0.000022530.8109544
0xefce4a877727a877ba85e4e87ce615d3277d9938cc5e67f72049e8f0f4f3f58e
Post Message235550472025-10-11 14:21:35115 days ago1760192495
0x0cF820f6...4AB5A7E22
IN
0x145E264d...Ed0B6F925
0 ETH0.000014720.5298311
0x97c338c7cac19d7bcc79949f4058d13a9a293ee0de3c2eb818913fddce4e5b19
Post Message235549992025-10-11 14:11:47115 days ago1760191907
0x97add328...155fb1436
IN
0x145E264d...Ed0B6F925
0 ETH0.000015990.57543332
0xf72e2b5f0849b9809389b57d9f6dc9fd17a5f7dd4fdcd0f45fba9e8fdfe77dbe
Post Message235549412025-10-11 14:00:11115 days ago1760191211
0x7c4658e4...3Bb5dADCe
IN
0x145E264d...Ed0B6F925
0 ETH0.000016220.58379229
0x9bbc0f0be3fa1476af24dd93fddf5c25e54f3a843698659870a72790b7e06f11
Post Message235548252025-10-11 13:36:59115 days ago1760189819
0x2B508A71...56067821B
IN
0x145E264d...Ed0B6F925
0 ETH0.00001910.68739336
0x41967ca655e013e14eaa4a6636e874a13d6aa0d864b24d7d9acc628475b35fb7
Post Message235544262025-10-11 12:16:23115 days ago1760184983
0x1E95e456...3b77c7Fb6
IN
0x145E264d...Ed0B6F925
0 ETH0.000018190.65460608
0xb3c71aae0ba0950375b0048bd9120af733259a7eed8d0b73b0be358cc38133a2
Post Message235542482025-10-11 11:40:47115 days ago1760182847
0x9cCdc647...0e76c4A50
IN
0x145E264d...Ed0B6F925
0 ETH0.000021850.48678506

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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x9239A337...8049B3231
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
MessageBoard
Compiler Version
v0.8.30+commit.73712a01
Optimization Enabled:
No with 200 runs
Other Settings:
prague EvmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 1 : MessageBoard.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.22;

contract MessageBoard {
    string public lastMessage;

    function postMessage(string calldata newMessage) public {
        lastMessage = newMessage;
    }
}

Settings
{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "prague",
  "viaIR": false
}

Contract Security Audit

Contract ABI

API
[{"inputs":[],"name":"lastMessage","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"newMessage","type":"string"}],"name":"postMessage","outputs":[],"stateMutability":"nonpayable","type":"function"}]

Contract Creation Code

Decompile Bytecode Switch to Opcodes View
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Deployed Bytecode

Decompile Bytecode 
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