Frontier Era

The canonical name registration contract hardcoded into go-ethereum — Ethereum's first mainnet naming system, mapping human-readable strings to addresses. A dir

The content hash registry hardcoded into go-ethereum — maps key hashes (contract code hashes, domain name hashes) to content hashes. Part of the three-contract

The Ethereum Foundation's Frontier URL-hint registrar, hardcoded into go-ethereum.

On-chain governance contract with proposals, voting, and execution. Stripped-down version of the go-ethereum wiki Democracy DAO tutorial.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

Sep 24, 2015 proto-DAO experiment — eight months before TheDAO. One of 10 byte-identical sister contracts deployed by 0x7931c901 in a 40-minute burst.

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.

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 ethereum.org token tutorial, with the default supply set to two hundred million

The ethereum.org token tutorial, with a default supply of one hundred

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.

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.

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 Solidity tutorial subcurrency, deployed unaltered

Delegated voting over five proposals, with the chairperson handing out voting rights

A 2015 public key directory that keys every entry off tx.origin instead of msg.sender.

A 2015 public key directory that keys every entry off tx.origin instead of msg.sender.