Token Contracts

An early ERC-20-like token deployed in Ethereum's first week, built directly from the example in the official Ethereum Frontier Guide documentation.

A second deployment of the FirstCoin tutorial token by the same creator, 11 blocks after the original — both derived from the official Ethereum Frontier Guide e

Ethereum.org tutorial Coin contract deployed on Frontier day 1. Contains a bug: balance(address) ignores its argument and returns msg.sender balance.

Early tutorial-derived coin contract compiled with Solidity v0.1.1, deployed 9 days after Ethereum Frontier launch.

Tutorial-derived coin contract (Solidity v0.1.1), one of multiple token instances deployed by the same address on Aug 8, 2015.

Coin tutorial stub — mapping getter + empty function returning default bool.

Tutorial-derived coin contract (Solidity v0.1.1), one of multiple FirstCoin instances deployed by the same address on Aug 8, 2015.

Tutorial-derived coin contract (Solidity v0.1.1), one of multiple FirstCoin instances deployed by the same address on Aug 8, 2015.

Tutorial-derived coin contract (Solidity v0.1.1), one of multiple token instances deployed by the same address on Aug 8, 2015.

Gav Wood's dapp-bin multisig wallet, deployed on day two of Frontier with one owner, a zero confirmation threshold and a hundred million ether daily limit.

The Frontier Guide's Coin tutorial contract: a pre-ERC-20 token with coinBalanceOf, sendCoin and a CoinTransfer event.

The Frontier Guide's Coin tutorial contract: a pre-ERC-20 token with coinBalanceOf, sendCoin and a CoinTransfer event.

The Frontier Guide's Coin tutorial contract: a pre-ERC-20 token with coinBalanceOf, sendCoin and a CoinTransfer event.

Tutorial-derived coin contract (Solidity v0.1.1), deployed Aug 9, 2015 during the Frontier era.

The Frontier Guide's Coin tutorial contract: a pre-ERC-20 token with coinBalanceOf, sendCoin and a CoinTransfer event.

Owner-controlled custody contract with Deposit/Transfer/IcapTransfer events.

The Frontier Guide's Coin tutorial contract: a pre-ERC-20 token with coinBalanceOf, sendCoin and a CoinTransfer event.

The Frontier Guide's Coin tutorial contract: a pre-ERC-20 token with coinBalanceOf, sendCoin and a CoinTransfer event.

The canonical ethereum.org 'Dapps for Beginners' subcurrency (token): sendCoin transfers with a CoinTransfer event.

Owner-controlled custody contract with ICAP-style transfer events.

First deployment of Gavin Wood's ExpRegistrar, a name registry where every name has a standing price that doubles on each sale.

A token built to the pre-ERC-20 Standardized Contract APIs, with sendCoin and coinBalanceOf in place of transfer and balanceOf.

The Frontier Guide's Coin tutorial contract: a pre-ERC-20 token with coinBalanceOf, sendCoin and a CoinTransfer event.

The Frontier Guide's Coin tutorial contract: a pre-ERC-20 token with coinBalanceOf, sendCoin and a CoinTransfer event.