Unknown Contracts

A raw bytecode test deployment by Linagee on Frontier Day 1 - the classic 0xdeadbeef pattern.

A raw bytecode test deployment by Linagee on Frontier Day 1 - the classic 0xdeadbeef pattern.

A raw bytecode test deployment by Linagee on Frontier Day 1 - the classic 0xdeadbeef pattern.

One of six HelloWorld Greeter deployments by Linagee on Ethereum Frontier Day 1 - same source, same compiler, greeting: 'Hello World!'

One of six HelloWorld Greeter deployments by Linagee on Ethereum Frontier Day 1 - same source, same compiler, greeting: 'Hello World!'

One of six HelloWorld Greeter deployments by Linagee on Ethereum Frontier Day 1 - same source, same compiler, greeting: 'Hello World!'

One of the earliest smart contracts on Ethereum, deployed August 7, 2015 (block 48,790). A pure function that finds the smallest prime factor of any number.

PrimeChecker contract. Identical bytecode to 0x66d796e7 -- smallestfactor(uint256) returns the smallest prime factor, or n if prime. Deployed Aug 7, 2015 by the

One of six HelloWorld Greeter deployments by Linagee on Ethereum Frontier Day 1 - same source, same compiler, greeting: 'Hello World!'

One of six HelloWorld Greeter deployments by Linagee on Ethereum Frontier Day 1 - same source, same compiler, greeting: 'Hello World!'

A failed Greeter deployment, the first of three attempts where the gas limit was too low to store the runtime code on-chain.

A failed Greeter deployment, the second of three attempts where the gas limit was too low to store the runtime code on-chain.

A failed Greeter deployment, the third of three attempts where the gas limit was too low to store the runtime code on-chain.

The Frontier Greeter - Ethereum's Hello World tutorial deployed by a 2000 ETH genesis wallet on Day 1, with mortal() exposed as a callable function.

A small-denomination chain-letter investment contract paired with a 10-ETH variant, deployed August 7, 2015 by the same address. Accepts approximately 0.1 ETH p

Another HelloWorld Greeter deployment by Linagee on Frontier Day 1 - the same deployer who started Ethereum's contract history.

A Greeter with the message 'Ethereum will change the world smarter' - deployed Aug 8, 2015 by a developer connected to the Tokyo Smart Contract meetup.

A Frontier Greeter compiled with an intermediate soljson build - same source as the standard tutorial, slightly different string return codegen.

The official Greeter tutorial contract from ethereum.org, deployed on Day 2 of Ethereum mainnet with the greeting "Hello World!"

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

The first decentralized messaging contract on Ethereum, whose only use was the deployer sending 'hello2!' to themselves on Frontier Day 1.

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

A Frontier-era Greeter contract with the message: 'Life at all costs, life whatever it may be'

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