The Linagee Collection

A raw bytecode test deployment by Linagee on Frontier Day 1 - the classic 0xdeadbeef pattern.

A raw bytecode test deployment by Linagee on Frontier Day 1 - the classic 0xdeadbeef pattern.

A raw bytecode test deployment by Linagee on Frontier Day 1 - the classic 0xdeadbeef pattern.

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).

An early Ethereum contract that returns the string “Hello World!” when called.

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!'

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!'

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.

A HelloWorld greeter deployed at block 51,909 on 8 August 2015, one of a run of contracts from the same account that week.

The go-ethereum Contract Tutorial greeter, deployed with the greeting: Welcome to Walmart I love you!

A two-party ether release contract funded with 20 ETH, deployed 11 August 2015.

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