Back to HomeDeployer 0xfd2605...7f9e8c Deployment Block 56,121 Deployment Date Aug 9, 2015, 01:04 AM Code Size 61.0 B Gas at Deploy 33,670
Deployed August 9, 2015 (10 years ago)Block 56,121
A tiny utility contract that returns the SHA3 hash of a uint256 input.
Frontier EraVerified Source
Key Facts
Deployment Transaction: 0xecda9caafd5cc867...a833a1ec1dafc244
Description
A minimal hashing utility contract with one function that returns sha3(amount). Contracts like this were common in Ethereum’s earliest months as developers tested the behavior and code generation of basic Solidity builtins.
Source Verified
SolidityExact bytecode match(61 bytes)
Compiler: soljson
Merged into awesome-ethereum-proofs and backfilled from proof repo.
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
Opcodes61
Unique Opcodes27
Jump Instructions2
Storage Operations0
Verified Source Available
Source verified through compiler archaeology and exact bytecode matching.
View Verification ProofShow source code (Solidity)
contract Sha3 {
function sh(uint256 amount) returns (bytes32) {
return sha3(amount);
}
}