Back to HomeDeployer 0xA1eEc0...b199EC Deployment Block 56,131 Deployment Date Aug 9, 2015, 01:06 AM Code Size 788.0 B Gas at Deploy 221,632
Deployed August 9, 2015 (10 years ago)Block 56,131
A Frontier-era Greeter contract with the message: 'Hello Middle Earth!'
Key Facts
Transactions by Year
20151
Deployment Transaction: 0x7ca181a1342f1753...7f3326afc13181e7
Description
Deployed during Ethereum's Frontier era using the canonical mortal+greeter tutorial source from the Solidity documentation. The greeting stored is 'Hello Middle Earth!'. Verified as an exact bytecode match against the greeter-verification repo.
Source Verified
SolidityExact bytecode match(788 bytes)
Compiler: v0.1.1+
Creation TX matches: compiled Greeter base (692 bytes) + ABI-encoded greeting. 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: 0 — 1,149,999
July 30, 2015 — March 14, 2016
Bytecode Overview
Opcodes788
Unique Opcodes82
Jump Instructions28
Storage Operations11
Verified Source Available
Source verified through compiler archaeology and exact bytecode matching.
View Verification ProofShow 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;
}
}