Unclassified Contracts

Serpent ListLogs on-chain log aggregator by Vitalik Buterin (Oct 18, 2015). addLog(str) emits Log(bytes); addBreak()/getLatestBreak() track block-number checkpoints. Sibling of 0xa619c3df. Byte-for-byte cracked (Serpent @ f0b4128).

On-chain terrain store holding a 33 by 33 grid of elevation values packed into a single fixed array.

The second ether_ad store, redeployed two days later with a revised two phase auction

Oraclize's address resolver from October 2015, the fixed address early contracts called to find the oracle service, and still answering.

The hello-world of Solidity: multiply(x) returns x*7. The ethereum.org tutorial contract. 120 copies deployed Sep 2015 through Feb 2016.

A minimal on-chain logging contract: addLog(s) emits a Log(string) event and addBreak() records the current block number as a section marker.

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.

Etheria v1.1—an early on-chain hexagonal tile world and pioneering NFT project—deployed on October 29, 2015, with new locking and naming features.

A pay-to-send on-chain email service (Serpent): email(to, subject, body) emits an Email event with the three strings if the caller pays at least 0.007 ETH.

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.

A November 2015 test harness that calls move(uint8) back on whoever pings it, cycling through four directions.

A November 2015 test harness that calls move(uint8) back on whoever pings it, cycling through four directions.

A November 2015 test harness that calls move(uint8) back on whoever pings it, cycling through four directions.

A November 2015 test harness that calls move(uint8) back on whoever pings it, cycling through four directions.

A November 2015 test harness that calls move(uint8) back on whoever pings it, cycling through four directions.

1000x1000 pixel canvas on Ethereum - buy, color, and trade pixels on-chain

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.

Gav Wood's multisignature daily-limit wallet, deployed in November 2015 at block 548481.

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.

A copy of the greeter contract from the Frontier Guide, used to put a commercial mortgage commitment form onchain in 2015.