Token Contracts

Unicorns (🦄) token by avsa — 1830B variant A. Source recovered by bytecode analysis, verified on Etherscan and Sourcify.

Unicorns (🦄) token by avsa — 1830B variant A. Source recovered by bytecode analysis, verified on Etherscan and Sourcify.

Unicorns (🦄) token by avsa — 1830B variant B. Source recovered by bytecode analysis, verified on Etherscan and Sourcify.

Unicorns (🦄) token by avsa — 1830B variant B. Source recovered by bytecode analysis, verified on Etherscan and Sourcify.

Unicorns (🦄) token by avsa — 1830B variant B. Source recovered by bytecode analysis, verified on Etherscan and Sourcify.

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 — 1802B variant. Source recovered by bytecode analysis, verified on Etherscan and Sourcify.

Unicorns (🦄) token by avsa — 1802B variant. Source recovered by bytecode analysis, verified on Etherscan and Sourcify.

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 Holon DAO deployed by avsa on Feb 17, 2016. First proposal contract for the Bitnation DAO seed, with membership ranks and voting.

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

An 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.

The Love token (W♥) - early Ethereum proof-of-work token from March 2016.

A single-unit token deployed two days before Homestead.

Bare Homestead-era token (Mar 14 2016): public balanceOf mapping + a single unchecked transfer firing the standard Transfer event.

Homestead-era transfer-only token, DinastyCoinToken (DCT), fixed supply 200000000 and 6 decimals.

Minimal Homestead-era token shell (Mar 14 2016): just a public balanceOf mapping and its compiler-generated getter, with no other functions.

Buy/sell token deployed by an early Ethermine miner 7 days after the Homestead fork, still active 10 years later.

Early ERC-20 token built from the ethereum.org tutorial. Features approveAndCall for token-contract interaction and a spentAllowance tracking pattern.

A historic 2016 memecoin created by Alex Van de Sande of the Ethereum Foundation to pioneer token swaps and upgrades.

Z≡N Coin (symbol Z≡N), an early 2016 ERC-20-style token with built-in buy/sell marketplace at a 10× spread. Uses the ConsenSys MyAdvancedToken extended template

Apr 2, 2016 MyToken-tutorial fork — owner mint/freeze, allowances, and a built-in buy/sell with prices left at zero at deploy.

Early puzzle token experiment with a fun name and unique supply mechanics.