Unknown Contracts

A tiny utility contract that returns the SHA3 hash of a uint256 input.

A tiny utility contract that returns the SHA3 hash of a uint256 input.

A Frontier-era Greeter contract with the message: 'Hello Middle Earth!'

A minimal ETH forwarding contract that sends funds to a hardcoded address, deployed on Frontier Day 1.

Optimized version of the ETH Forwarder - same source compiled with soljson optimizer ON, producing 133 bytes vs 241.

The first lottery contract deployed on Ethereum mainnet, created August 9, 2015 by one of the earliest recorded Ethereum users. Built, tested with two participa

An early Ethereum lottery contract, deployed August 9, 2015 by one of the network's earliest users as an iteration on a prototype deployed 42 minutes earlier. R

An early 100 ETH tree-payout chain letter (MyScheme) deployed on Frontier, Aug 9 2015; still holds 1 ETH.

A Frontier-era Greeter contract with the message: 'taras'

A Frontier-era Greeter contract with the message: 'Hello Evan!'

A king-of-the-hill game contract from August 2015 exploring behavioral economics and game theory on Ethereum.

Faucet with per-address block-number cooldown.

The Multiply7 tutorial contract — one of the first Solidity examples ever deployed to mainnet.

An early standalone self-destruct contract that lets its deployer permanently kill the contract.

An early standalone self-destruct contract that lets its deployer permanently kill the contract.

Member-added pyramid/chain list with equal-share claim distribution.

Aug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa

A Frontier-era Greeter with the message: 'Hello Eamonn'

A Frontier-era Greeter contract with the message: 'Greetings Fuckface!'

A Frontier-era Greeter contract with the message: 'Hello Adam!'

The canonical Solidity 'multiply by 7' tutorial contract from the Frontier documentation.

A Frontier-era Greeter contract with the message: 'Hello! I'm Alec's first contract.'

Aug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa

Aug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa