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.

Ethereum "greeter" tutorial with ABI-encoded string constructor arg.

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

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

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