Greeter

Experimental

0x90ab39213f1d...dca2556a9ece

FrontierContract #142Exact Bytecode MatchEdit this contract

Deployed August 10, 2015 (11 years ago)Block 65,327

A Frontier-era Greeter contract with the message: 'Hello Adam!'

Frontier EraVerified Source

Historical Significance

One of many early Greeter deployments showing real developers learning Solidity on the live Ethereum network in 2015.

Key Facts

Deployer

0xa61e15...d69088

Deployment Block

65,327

Deployment Date

Aug 10, 2015, 07:29 PM

Code Size

788.0 B

Gas at Deploy

221,120

Deployment Transaction: 0xc5352423b9471e4e...e35882a619d15f78

Description

Deployed during Ethereum's Frontier era using the canonical mortal+greeter tutorial source from the Solidity documentation. The greeting stored is 'Hello Adam!'. Verified as an exact bytecode match against the greeter-verification repo.

Source Verified

SolidityExact bytecode match(788 bytes)

Compiler: v0.1.1+

View verification proof

Creation TX matches: compiled Greeter base (692 bytes) + ABI-encoded greeting. soljson v0.1.1+commit.6ff4cd6a, optimizer OFF.

Historian Categories

Experimental

Heuristic Analysis

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

Detected Type: Experimental

Contains SELFDESTRUCT opcode

Frontier Era

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

Block span: 0 — 1,149,999

July 30, 2015 — March 14, 2016

Bytecode Overview

Opcodes788

Unique Opcodes77

Jump Instructions27

Storage Operations11

Verified Source Available

Source verified through compiler archaeology and exact bytecode matching.

Verified on Etherscan (similar match)

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

Etherscan Verified Source (if any)

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