Back to HomeDeployer 0x326be8...771f60 Deployment Block 74,739 Deployment Date Aug 12, 2015, 02:56 PM Code Size 74.0 B Gas at Deploy 37,154
Deployed August 12, 2015 (10 years ago)Block 74,739
A minimal contract that immediately sends any received ETH back to the sender.
Frontier EraVerified Source
Key Facts
Transactions by Year
20151
Deployment Transaction: 0x7f77fd2974d4872e...7a6963ddddba402f
Description
An extremely small fallback-only contract that echoes ETH back to whoever sent it. Contracts like this were useful as early experiments in payable fallbacks, send semantics, and compact bytecode generation.
Source Verified
SolidityExact bytecode match(74 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
Opcodes74
Unique Opcodes27
Jump Instructions3
Storage Operations0
Verified Source Available
Source verified through compiler archaeology and exact bytecode matching.
View Verification ProofShow source code (Solidity)
contract Bounce {
function () {
msg.sender.send(msg.value);
}
}