Frontier Era

A minimal subcurrency with a faucet mechanic. Call token() to claim 10,000 coins or any amount desired. Deployed Jan 10 2016.

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

Basic ethereum.org token template (unoptimized). One of 138 identical deployments compiled without the optimizer.

Doubler drain contract with hardcoded owner

One of the first viral Ethereum dapps, deployed January 23, 2016 by Kieran Elby. Players competed to hold the throne by paying an increasing claim price. The co

A gambling contract where players bet at least 1 finney for a chance to win 10% of the balance. Wins also donate to the Ethereum Foundation.

One of the earliest Oraclize-powered smart contracts on Ethereum — a YouTube views sponsorship bounty deployed January 25, 2016.

ethereum.org Stakeholder Association DAO (Jan 29, 2016). German developer test with NurTesting token. 8 ETH locked. Exact creation TX match.

The Ethereum Alarm Clock Scheduler contract by Piper Merriam — one of the earliest utility smart contracts on Ethereum, enabling time-based scheduling of future

Basic ethereum.org token template with name, symbol, decimals, balanceOf, and transfer. One of 200 identical deployments.

A minimal random number generator that stores a blockhash at deployment. Has a bug: the rand() function always returns 0.

A minimal contract storing a single IPFS CIDv0 hash on-chain as a public string. Deployed by Thomas Bertani / Oraclize on Feb 5, 2016.

The first of eleven Unicorns token deployments

Unicorns ERC-20 token deployed by avsa (Alex Van de Sande) in Feb 2016. First of eleven Unicorns deployments, deployed 70 seconds before 0x1f75.

Unicorns ERC-20 token deployed by avsa (Alex Van de Sande) in Feb 2016. Test token named Unicorns with emoji symbol, part of a batch of three deployments on Feb

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

Unicorns ERC-20 token deployed by avsa (Alex Van de Sande) in Feb 2016. Same source as siblings, but compiled with centralMinter set to 0xfb6916... (Ethereum Fo

A Democracy DAO governance contract deployed by Ethereum Foundation UX Lead Alex Van de Sande (avsa) on February 11, 2016, implementing the tutorial contract fr

Unicorns token by avsa (Alex Van de Sande). Ethereum.org Advanced Token template without payable fallback.

Unicorns token by avsa (Alex Van de Sande). Ethereum.org Advanced Token template without payable fallback.

A 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

Rare “Unicorn” token awarded for donating 2.014 ETH to the Ethereum Foundation Tip Jar in 2016.

Bitnation Shares token deployed by avsa on Feb 17, 2016 during Bitnation migration to Ethereum.

A 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