Frontier Era

The SimpleStorage tutorial contract with a log event added to its setter.

The SimpleStorage tutorial contract with a log event added to its setter.

The storage example with an event fired before the write

A 57-byte contract deployed by the Ethereum Foundation wallet on September 20, 2015, 52 days after Frontier launch. Implements a single function foo() that retu

A 77-byte contract deployed by the Ethereum Foundation wallet on September 20, 2015. Implements foo() returning a 21-byte constant value, requiring the PUSH21 o

A 108-byte contract deployed by the Ethereum Foundation wallet on September 20, 2015. Written in Solidity v0.1.4, it implements bar(uint256) returning x + 2. De

Winning entry of the Programmable Assets challenge at Hack The Block London (September 2015), built by Francesco Canessa, Kristina Butkute, and Thomas Bertani (

Provably-fair betting game where players choose their own odds. The owner settles bets with a commit-reveal random seed. Includes a 2-day emergency refund.

Sibling of 0x034dF870 (SerpentGamble). Provably-fair Serpent betting game; players choose their own odds, owner settles via commit-reveal seed, 2-day refund.

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

Sibling of 0x034dF870 (SerpentGamble). Provably-fair Serpent betting game; players choose their own odds, owner settles via commit-reveal seed, 2-day refund.

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

Intermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.

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

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

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

Intermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.

Intermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.

A Frontier-era subcurrency with dual-send pattern: direct transfers and exchange-authorized transfers. Deployed Sep 21 2015.

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