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Greeter

Unknown
0x412fda7643b3...bb80a07267ed
FrontierExact Bytecode Match
Deployed August 8, 2015 (10 years ago)Block 51,909

Another HelloWorld Greeter deployment by Linagee on Frontier Day 1 - the same deployer who started Ethereum's contract history.

Key Facts

Deployer
Linagee(0x3D0768...116c2D)
Deployment Block
51,909
Deployment Date
Aug 8, 2015, 05:49 AM
Code Size
788.0 B
Gas at Deploy
221,184
Transactions by Year
20151

Description

Deployed at block 51,909 on August 8, 2015 by 0x3D0768 (Linagee) - the same address responsible for the first successful contract deployment on Ethereum. This is one of several HelloWorld Greeter instances Linagee deployed across Frontier's first two days, all with 'Hello World!' as the greeting.

Source Verified

SolidityExact bytecode match(788 bytes)
Compiler: v0.1.1+

Creation TX (788 bytes) = compiled Greeter base (692 bytes) + ABI-encoded 'Hello World!' (96 bytes). soljson v0.1.1+commit.6ff4cd6a, optimizer OFF.

Heuristic Analysis

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

Detected Type: Unknown

Frontier Era

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

Block span: 01,149,999
July 30, 2015March 14, 2016

Bytecode Overview

Opcodes788
Unique Opcodes77
Jump Instructions28
Storage Operations11

Verified Source Available

Source verified through compiler archaeology and exact bytecode matching.

View Verification Proof
Show source code (Solidity)
contract mortal {
    address owner;
    function mortal() { owner = msg.sender; }
    function kill() { if (msg.sender == owner) suicide(owner); }
}
contract greeter is mortal {
    string greeting;
    function greeter(string _greeting) {
        greeting = _greeting;
    }
    function greet() constant returns (string) {
        return greeting;
    }
}

External Links