Frontier Era
The initial release of Ethereum. A bare-bones implementation for technical users.
Unicorns
tokenUnicorns (🦄) token by avsa — 1802B variant. Source recovered by bytecode analysis, verified on Etherscan and Sourcify.
0xab15f0...2d05ecFebruary 11, 2016Congress
tokenA second Democracy DAO governance contract deployed by Alex Van de Sande (avsa) on February 11, 2016, eight minutes after a nearly identical deployment, as part
0x286ca3...bb9dfeFebruary 11, 2016Unicorns
tokenRare “Unicorn” token awarded for donating 2.014 ETH to the Ethereum Foundation Tip Jar in 2016.
0x89205a...2c43e7February 11, 2016Sandwich
tokenStandard ethereum.org tutorial token (Homestead, Mar 2016): name/symbol/decimals metadata, a public balanceOf mapping and an overflow-checked transfer firing th
0x19a448...2e71aaFebruary 12, 2016Contract 0x14022b03...
unknownThe canonical SimpleStorage (Homestead, Mar 2016): a single uint with set(x) and a constant get() getter, the opening example of the Solidity documentation. One
0x14022b...145e4fFebruary 14, 2016Contract 0xfd4a395c...
tokenByte-identical deployment of: Standard ethereum.org tutorial token (Homestead, Mar 2016): name/symbol/decimals metadata, a public balanceOf mapping and an overf
0xfd4a39...980dfeFebruary 17, 2016holon
tokenBitnation Holon DAO deployed by avsa on Feb 17, 2016. First proposal contract for the Bitnation DAO seed, with membership ranks and voting.
0x5aaeb6...1beaedFebruary 17, 2016BitnationShares
tokenBitnation Shares token deployed by avsa on Feb 17, 2016 during Bitnation migration to Ethereum.
0xedb378...98f144February 17, 2016PiggyBank
programA simple ETH piggy bank contract with deposit events, owner-only collect, and self-destruct. Uses a hardcoded instance ID (88) in deposit events to distinguish
0xd01d0b...2f09fdFebruary 19, 2016Doubler
unknownA pyramid scheme promising 2x returns to ETH participants. 28 ETH remains locked — those who entered last will never be paid out.
0xc18242...c3fa4bFebruary 19, 2016DynamicPyramid
unknownSelf-adjusting pyramid scheme with declining multipliers (3x to 1.5x), deployed February 23, 2016. 140 participants entered, 136 still waiting for payout. Sourc
0xa9e4e3...9ab26cFebruary 23, 2016MB COIN
tokenIdentical-runtime sibling. Standard ethereum.org tutorial token (Homestead, Mar 2016): name/symbol/decimals metadata, a public balanceOf mapping and an overflow
0xf86579...0d287bFebruary 26, 2016Godlcoin
tokenAn ERC20-like token with mint, freeze, and transfer functionality based on the ethereum.org advanced token tutorial. 1,000,000 GOD tokens with 0 decimals.
0x7a3140...7d2449February 28, 2016Contract 0xb3e80f76...
unknownByte-identical deployment of: The canonical SimpleStorage (Homestead, Mar 2016): a single uint with set(x) and a constant get() getter, the opening example of t
0xb3e80f...aa92ecFebruary 28, 2016unityofmulti
tokenIdentical-runtime sibling. Standard ethereum.org tutorial token (Homestead, Mar 2016): name/symbol/decimals metadata, a public balanceOf mapping and an overflow
0x0170d3...82c7c6February 28, 2016Contract 0x2c14395a...
unknownIdentical-runtime sibling. On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text,
0x2c1439...4ff724February 28, 2016Contract 0xe2abd8b9...
unknownOn-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self
0xe2abd8...6b2e4dFebruary 28, 2016VegaToken
tokenIdentical-runtime sibling. The ethereum.org 'advanced' MyToken (Homestead, Mar 2016): an issuer-minted token with mintToken, freezeAccount/FrozenFunds and the s
0x637c66...c625e2February 29, 2016Contract 0x4571ee45...
tokenStandard ethereum.org tutorial token (Homestead, Mar 2016): name/symbol/decimals metadata, a public balanceOf mapping and an overflow-checked transfer firing th
0x4571ee...e7996cFebruary 29, 2016Whiterabbit0xc3ffccd7
tokenFrontier-era ERC-20 token (zero decimals), deployed March 1, 2016 by 0xfa5c91c9b4d0bebf79c1963ba13c760ff83fde09, one of 64 contracts from the same key.
0xc3ffcc...6c684dMarch 1, 2016Contract 0x23a253a0...
unknownOn-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self
0x23a253...3cc37cMarch 4, 2016Contract 0x07c2b29e...
unknownByte-identical deployment of: On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the te
0x07c2b2...99b3baMarch 4, 2016Contract 0x412ef17d...
On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self
0x412ef1...730dd4March 4, 2016Contract 0xc3dfb8e0...
Byte-identical deployment of: On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the te
0xc3dfb8...9e7804March 6, 2016