The Vitalik Collection

Arbiter registry by Vitalik Buterin (Sep 2015). Pay 1+ ETH to list yourself. Fee decays 50%/month. One of the earliest on-chain reputation systems on Ethereum.

On-chain escrow by Vitalik Buterin (Sep 2015). Two parties designate arbiters; majority vote releases funds. One of the earliest smart contract dispute systems.

Second deployment of Vitalik's on-chain escrow (Oct 2015). Arbiters vote to release escrowed funds. Identical bytecode to the Sep 28 instance.

Vitalik Buterin private lottery contract (Oct 2015). Single function: get(string). Minimum 0.007 ETH. Uses sha3+blockhash for randomness. Source not in any publ

Vitalik Buterin private lottery contract (Oct 2015). Single function: get(string). Minimum 0.007 ETH. Uses sha3+blockhash for randomness. Source not in any publ

Vitalik Buterin private lottery contract (Oct 2015). Three functions including a bet function (min 0.008 ETH) that calls an internal get(string) with hardcoded

Vitalik Buterin private lottery contract (Oct 2015). Three functions including a bet function (min 0.008 ETH) that calls an internal get(string) with hardcoded

Vitalik Buterin private lottery contract (Oct 2015). Most-used of the series. Three functions including bet (min 0.008 ETH). Source not in any public repo.

Vitalik Buterin private lottery contract (Oct 2015). Single function: get(string). Minimum 0.007 ETH. Uses sha3+blockhash for randomness. Source not in any publ

adStorer auction registry by Vitalik Buterin (Oct 2015). Manages 8 ad auction slots. From dapp-bin ether_ad. Intermediate version, source not in public repo.

Vitalik Buterin ad auction registry contract (Oct 2015). From dapp-bin ether_ad project. Stores URLs and winners for 8 simultaneous one-phase and two-phase auct

A token contract deployed by Vitalik Buterin, compiled from currency.se (Serpent) in the ethereum/dapp-bin repository. Deployed days after Devcon 1 and one week before EIP-20 was published.