CoinFlip

Unknown

0x0013e723f574...dcd98c1c2989

FrontierContract #87Exact Bytecode MatchEdit this contract

Deployed August 8, 2015 (10 years ago)Block 55,847

Timestamp-parity coinflip; payout is `2 * msg.value` via `send`.

Frontier EraVerified Source

Key Facts

Deployer

0xc70ba2...af62e9

Deployment Block

55,847

Deployment Date

Aug 8, 2015, 11:52 PM

Code Size

97.0 B

Gas at Deploy

43,257

Transactions by Year

20153

20261

Deployment Transaction: 0x8eb1aaf39c00917a...6f72146970e33b76

Description

Timestamp-parity coinflip; payout is 2 * msg.value via send. Functions include fallback only. Verified with soljson-v0.1.1+commit.6ff4cd6 (also matches native solc-0.1.0-056180fb2) and optimizer ON.

Source Verified

SolidityExact bytecode match(97 bytes)

Compiler: soljson

View verification proof

Backfilled from awesome-ethereum-proofs PR #33.

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

Opcodes97

Unique Opcodes34

Jump Instructions6

Storage Operations0

Verified Source Available

Source verified through compiler archaeology and exact bytecode matching.

View Verification Proof

Show source code (Solidity)

contract CoinFlip {
    function () {
        var v = msg.value;
        var t = block.timestamp;
        if (t % 2 == 0) {
        } else {
            msg.sender.send(2 * v);
        }
    }
}