Token Contracts

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.

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 ninth iteration of the GlobalRegistrar contract, which became the canonical Ethereum name registrar hardcoded into Geth and other clients during the Frontie

The first contract on Ethereum mainnet to carry transfer(address,uint256), deployed 19 August 2015. It returns nothing and emits no event.

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

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

The greeter tutorial contract: it stores a greeting set at deployment and can be shut down by its owner.

A copy of the coin contract from the Frontier Guide, the two function token that taught a generation of Ethereum developers to move a balance.

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

The basic info getter from the solidity-baby-steps tutorials, a read only window onto the block and message globals.

The endowment retriever from the solidity-baby-steps tutorials, whose send-one-ether-home function anyone can call.

The second incrementer from the solidity-baby-steps tutorials, written to show what a transactional call looks like from geth.

The third incrementer from the solidity-baby-steps tutorials, adding a second parameter to the transactional call.

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

The subcurrency example from the Solidity documentation with a payable deposit bolted on.

An earlier draft of the solidity-baby-steps Pong, before the value moved into the constructor.

The Pong half of the solidity-baby-steps ping-pong pair, written to test whether one contract can read a non-constant return value from another.

The exchange example from the ethereum dapp-bin standardized contract APIs, whose deleteOrder lets anyone cancel anyone else's order.

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 collectibletr

The datafeed example from the ethereum dapp-bin standardized contract APIs, a single owner key value oracle.

The Greeter from the solidity-baby-steps tutorials, which is a different contract from the ethereum.org greeter of the same idea.