MessageStore

utility

0xd2eccde805e8...85b842ff3d6b

FrontierExact Bytecode Match

Deployed August 8, 2015 (10 years ago)Block 53,573

A 6-line contract storing a single public string, deployed Day 9 of Ethereum by a prolific early experimenter who shipped 18 contracts in one week.

Key Facts

Deployer

Deployment Block

Deployment Date

Aug 8, 2015, 01:17 PM

Code Size

458.0 B

Transactions by Year

20151

20242

20255

20261

One of the simplest contracts ever deployed on Ethereum. MessageStore stores a single public string and exposes one function to update it.

Deployed August 8, 2015 - Day 9 of Ethereum - by a deployer who published 18 contracts across blocks 52,970 to 55,260 during the same week.

SolidityExact bytecode match(458 bytes)

Compiler: v0.1.1+

Exact byte-for-byte match on creation (458 bytes) and runtime (439 bytes). soljson v0.1.1+commit.858e7b8, optimizer ON.

Experimental

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

Detected Type: utility

The initial release of Ethereum. A bare-bones implementation for technical users.

Block span: 0 — 1,149,999

July 30, 2015 — March 14, 2016

Opcodes458

Unique Opcodes86

Jump Instructions23

Storage Operations10

Source verified through compiler archaeology and exact bytecode matching.

Show source code (Solidity)

contract MessageStore {
    string public message;

    function set(string _message) {
        message = _message;
    }
}