Frontier Era

A minimal string-storage contract hardcoding the name 'Etherparty', deployed 3 times on August 8, 2015 by the same wallet that deployed SimpleStorage.

A minimal string-storage contract hardcoding the name 'Etherparty', deployed 3 times on August 8, 2015 by the same wallet that deployed SimpleStorage.

A Greeter contract by Linagee (same deployer as the HelloWorld at block 48,681) with the greeting 'Welcome to Walmart I love you!'

The canonical SimpleStorage tutorial contract from the Solidity documentation, deployed on Frontier Day 1.

The canonical SimpleStorage tutorial contract from the Solidity documentation, deployed on Frontier Day 1.

The canonical SimpleStorage tutorial contract from the Solidity documentation, deployed on Frontier Day 1.

The canonical SimpleStorage tutorial contract from the Solidity documentation, deployed on Frontier Day 1.

Commit-reveal lottery prototype by the EarlyLottery developer. buyTicket(bytes32) takes a hash commitment. submitSecret reveals the secret. payout() sends to wi

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

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

Tutorial-derived coin contract (Solidity v0.1.1), deployed Aug 9, 2015 during the Frontier era.

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

A 100-ETH chain-letter investment contract deployed August 9, 2015, part of an early family of Frontier-era financial experiment contracts with variants accepti

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.

A second deployment of the Ethereum GlobalRegistrar — the early name registry that predated ENS — made on August 10, 2015.

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.