Back to HomeDeployer 0xF070bC...f0bDc6 Deployment Block 66,277 Deployment Date Aug 11, 2015, 12:07 AM Code Size 820.0 B Gas at Deploy 242,734
Deployed August 11, 2015 (10 years ago)Block 66,277
A Frontier-era Greeter contract with the message: 'Hello! I'm Alec's first contract.'
Key Facts
Deployment Transaction: 0xf5f43bebf6a740dd...0b5c23495e976b57
Description
Deployed during Ethereum's Frontier era using the canonical mortal+greeter tutorial source from the Solidity documentation. The greeting stored is 'Hello! I'm Alec's first contract.'. Verified as an exact bytecode match against the greeter-verification repo.
Source Verified
SolidityExact bytecode match(820 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
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
Opcodes820
Unique Opcodes83
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;
}
}