Frontier Era
The initial release of Ethereum. A bare-bones implementation for technical users.
Contract 0x01eb0112...
unknownAug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa
0x01eb01...0714f5September 22, 2015Contract 0xfe80cdb9...
unknownAug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa
0xfe80cd...1e0d4dSeptember 22, 2015Contract 0xca96df9e...
unknownAug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa
0xca96df...35ce0bSeptember 22, 2015Contract 0x4942b8fe...
unknownAug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa
0x4942b8...2f3681September 22, 2015Contract 0xcdb8b6ef...
unknownAug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa
0xcdb8b6...2fd345September 22, 2015EthereumAlarmClock
walletThe first deployment of Piper Merriam's Ethereum Alarm Clock, a smart contract protocol for scheduling transactions at future block numbers, launched on Septemb
0xb0059e...cc0cc1September 22, 2015Coin
unknownIdentical contract to 0xFF2947 — same bytecode, same source. Deployed one day later, Sep 22 2015.
0x522a49...42922cSeptember 22, 2015Pong
programA Pong contract variant that receives ETH via send(), testing value transfer between contracts.
0x3a0cc9...e29fe5September 22, 2015EthereumAlarmClock
unknownThe second contract deployed by Piper Merriam on September 22, 2015, within hours of the Ethereum Alarm Clock v1, representing the first same-day iteration of t
0x223294...6036c2September 22, 2015SerpentGamble
unknownIntermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.
0x3fb587...bb9815September 23, 2015SerpentGamble
unknownIntermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.
0x87e8c8...90c060September 23, 2015SerpentGamble
unknownIntermediate build of serpent_gamble, a provably-fair betting dapp (Bet/Win/Loss/NewSeed), related to verified sibling 0x59375871. Source not yet reconstructed.
0xd9b49b...30f6a9September 23, 2015SerpentGamble
unknownThe full serpent_gamble provably-fair betting dapp: bettors pick their own odds, the owner settles rounds via a commit-reveal seed, with an emergency refund.
0x593758...55b7d0September 23, 2015Contract 0x7fc858e9...
unknownAug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa
0x7fc858...33af85September 23, 2015Contract 0x36a86eec...
unknownAug 8 2015 deploy by 0x8674c218 — one of the most prolific contract deployers of Ethereum's first day. Sibling of the verified MessagingContract / Ponzi / Messa
0x36a86e...d22826September 23, 2015SerpentGamble
unknownSibling of 0x59375871 (SerpentGamble). The full serpent_gamble provably-fair betting dapp from ethereum/dapp-bin.
0x64f2e2...dabceeSeptember 24, 2015GlobalRegistrar
registrarThe canonical name registration contract hardcoded into go-ethereum — Ethereum's first mainnet naming system, mapping human-readable strings to addresses. A dir
0x339901...91a70cSeptember 24, 2015HashReg
registrarThe content hash registry hardcoded into go-ethereum — maps key hashes (contract code hashes, domain name hashes) to content hashes. Part of the three-contract
0x23bf62...520620September 24, 2015URLhint
unknownThe Ethereum Foundation's Frontier URL-hint registrar, hardcoded into go-ethereum.
0x73ed5e...c18626September 24, 2015Democracy DAO
daoOn-chain governance contract with proposals, voting, and execution. Stripped-down version of the go-ethereum wiki Democracy DAO tutorial.
0xb5b8a0...9cfec6September 24, 2015ProtoDAO_0x7931c901_Sep24
unknownSep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.
0xcbe06c...54c81cSeptember 24, 2015ProtoDAO_0x7931c901_Sep24
daoSep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.
0x8d0c13...ff4f34September 24, 2015ProtoDAO_0x7931c901_Sep24
daoSep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.
0x8ecd7a...605874September 24, 2015ProtoDAO_0x7931c901_Sep24
daoSep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.
0xba2423...0516e0September 24, 2015