Frontier Era

bitcoin: An early experimental Ethereum token created in 2015

An early token contract deploying the MyToken template as Whitcoin (WHIT) on November 3, 2015, the same day the canonical MistCoin was created, illustrating the

A MyToken template deployment by collectibletrust.eth on November 3, 2015, linking the same deployer responsible for the pre-ERC-20 currency contract from Septe

An early token named Bizilicas (BiZ) deployed on November 3, 2015 using the MyToken template, one of several tokens created on the same day as the canonical Mis

Deployment of the classic Solidity tutorial Coin contract with a default supply of 5,000 tokens and a CoinTransfer event.

Deployment of the classic Solidity tutorial Coin contract with a default supply of 500 tokens and a CoinTransfer event.

A token contract deployed by Vitalik Buterin, compiled from currency.se (Serpent) in the ethereum/dapp-bin repository. Deployed days after Devcon 1 and one week

1000x1000 pixel canvas on Ethereum - buy, color, and trade pixels on-chain

The classic Ethereum Hello World contract. mortal base with kill(), greeter with greet(). One of 111 identical deployments.

A token-weighted governance contract deployed by Avsa on Dec 3, 2015, using MistCoin as voting shares. 0.1 ETH remains locked after 10 years.

SmartShipp token (Dec 6, 2015). ethereum.org tutorial token with name, symbol, decimals. 10 ETH permanently locked. Exact creation TX match.

An early Ethereum token named SubEthaNomic (SEN), deployed on December 14, 2015, whose name references the Sub-Etha network from The Hitchhiker's Guide to the G

A simple key-value store contract with set, get, and kill functions, deployed during the Frontier era.

A 20-year time-locked ETH savings vault deployed in December 2015, notable for a critical inverted time-check bug that makes the 50 ETH deposited permanently un

A test contract that checks if the caller matches a hardcoded admin address, with kill and get functions.

A test contract that writes a bool flag based on whether the caller matches a hardcoded admin address, with kill, get, and getBool functions.

A later iteration of Piper Merriam's Ethereum Alarm Clock, deployed on December 23, 2015 as the fifth of five contracts deployed in rapid succession, representi

The Doge-Ethereum Bounty DAO created by avsa on Dec 28, 2015. Funded over 5,400 ETH in bridge development, holds 50,000 MistCoin. Active 2015-2021.

A smart contract deployed to record marriages on the Ethereum blockchain.

A classic Greeter contract from the official Solidity tutorial, storing and returning the string "Hello World!".

A shipping escrow contract with buyer/seller structs, late delivery penalties, and IPFS cargo documentation.

A shipping escrow contract with public struct getters, late delivery penalties, and IPFS cargo documentation. Sibling of ShippingEscrow with added buyer/seller/

Identical clone of ShippingEscrow2 (0x47618f). Shipping escrow with public struct getters, deployed by the same developer on the same day.

Identical clone of ShippingEscrow2 (0x47618f). Shipping escrow with public struct getters, deployed by the same developer on the same day.