The Linagee Collection

The earliest known Ethereum contract with executable runtime code. A single function go() that returns the string "eth", compiled with the first publicly available Solidity compiler (v0.1.1).

One of six HelloWorld Greeter deployments by Linagee on Ethereum Frontier Day 1 - same source, same compiler, greeting: 'Hello World!'

One of six HelloWorld Greeter deployments by Linagee on Ethereum Frontier Day 1 - same source, same compiler, greeting: 'Hello World!'

The first publicly posted Ethereum contract that returned a value when called, demonstrating interactive smart contract execution.

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.

The official Ethereum GlobalRegistrar deployed by the go-ethereum team in August 2015. This was the canonical name registry contract embedded as pre-compiled by

The second deployment of the official Ethereum GlobalRegistrar, deployed nine days after the first. Both deployments use identical bytecode pre-compiled and emb

Early Frontier-era name registry contract (Aug 8, 2015, block 51807) implementing reserve, register, and setContent functions for on-chain name resolution.

Another HelloWorld Greeter deployment by Linagee on Frontier Day 1 - the same deployer who started Ethereum's contract history.

A Greeter contract by Linagee (same deployer as the HelloWorld at block 48,681) with the greeting 'Welcome to Walmart I love you!'

A time-locked escrow contract from August 11, 2015, funded with 20 ETH and featured on ether.camp as a notable early Frontier deployment.

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