Frontier Era

One of the earliest named tokens on Ethereum, and the first known to feature an animal identity and a public on-chain faucet.

An early Frontier-era token contract implementing a pre-ERC-20 interface, deployed on September 8, 2015 by an address associated with the ENS name collectibletrust.eth, with source code referencing the proposed ERC-20 standard two months before its formal submission.

The first deployment of Piper Merriam's Ethereum Alarm Clock, a smart contract protocol for scheduling transactions at future block numbers, launched on September 22, 2015, weeks after Ethereum Frontier went live.

The 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 the scheduling service.

A Solidity date and time utility library deployed by Piper Merriam on October 6, 2015, providing functions to parse Unix timestamps into human-readable date components for use in smart contracts.

A Solidity string utility library authored by Piper Merriam and deployed on October 12, 2015, providing functions for converting between unsigned integers and string representations in bytes32 format.

This is the first of the 4 Etheria smart contracts, the first NFT collection on Ethereum.

The first post-v0.9 release of Etheria, a fully on-chain hexagonal tile world and one of the earliest NFT projects on Ethereum, deployed October 22, 2015.

The first scheduled-transaction service on Ethereum, enabling smart contracts to schedule future function calls—deployed by Piper Merriam in October 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.

Etheria v1.2—the third iteration of the first on-chain hexagonal tile game and proto-NFT project—deployed November 1, 2015.

Created by the Ethereum Foundation Mist team, Fabian Vogelsteller and Alex Van de Sande, to test the standard token.

bitcoin: An early experimental Ethereum token created in 2015

An early token contract deploying the MyToken template as Whitcoin (WHIT) on November 3, 2015, the same day the canonical MistCoin was created, illustrating the rapid proliferation of the Mist browser token tutorial.

A MyToken template deployment by collectibletrust.eth on November 3, 2015, linking the same deployer responsible for the pre-ERC-20 currency contract from September 1015 to the MistCoin launch day.

An early token named Bizilicas (BiZ) deployed on November 3, 2015 using the MyToken template, one of several tokens created on the same day as the canonical MistCoin following the introduction of Ethereum's Mist browser token creation interface.

An unnamed Ethereum token contract deployed by Vitalik Buterin based on the currency.sol reference implementation.

An early Ethereum token named SubEthaNomic (SEN), deployed on December 14, 2015, whose name references the Sub-Etha network from The Hitchhiker's Guide to the Galaxy, representing one of the first cultural-reference tokens on Ethereum.

A later iteration of Piper Merriam's Ethereum Alarm Clock, deployed on December 23, 2015 as the fifth of five contracts deployed in rapid succession, representing a major redeployment of the scheduling service.

An early DAO by Alex Van de Sande and Vitalik used to fund development of a bridge between Ethereum and Doge.

A smart contract deployed to record marriages on the Ethereum blockchain.

Early Digix Gold token contract address referenced in Digix documentation and community support threads (2016).

The first of eleven Unicorns token deployments

An early Ethereum smart contract that enabled direct, on-chain donations to the Ethereum Foundation and issued the original Unicorn token.