Frontier Era

The initial release of Ethereum. A bare-bones implementation for technical users.

2015-07-30 to 2016-03-14
Blocks 0 to 1,149,999
1008 documented contracts

Love

token

The Love token (W♥) - early Ethereum proof-of-work token from March 2016.

0x45601d...3ce032March 8, 2016

Contract 0x7e1c1d87...

On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self

0x7e1c1d...2ff66eMarch 8, 2016

Gold Cicadas

token

Seventeen thousand indivisible units, mintable and freezable by the deployer.

0xbd03e3...0efa91March 8, 2016

Wallet

dao

An instance of the original Gav Wood multi-signature wallet, the most widely deployed contract in early Ethereum with over 16,000 siblings.

0x1dbfc6...0f5fe1March 9, 2016

MyToken

token

A fixed-supply token with transfers and allowance spending, deployed March 2016.

0x617f3a...a34061March 9, 2016

Contract 0x010b91b5...

On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self

0x010b91...cec85bMarch 9, 2016

Contract 0x7e71a5d1...

On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self

0x7e71a5...3247c6March 9, 2016

Contract 0xf6c994b3...

On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self

0xf6c994...508e16March 9, 2016

Contract 0x9c95cd59...

On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self

0x9c95cd...8bf4cfMarch 9, 2016

Contract 0xb25b1474...

Byte-identical deployment of: On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the te

0xb25b14...96fcbeMarch 9, 2016

Contract 0xdc2bad6b...

On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self

0xdc2bad...6f771fMarch 9, 2016

Contract 0x9a22a4f7...

On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self

0x9a22a4...53571cMarch 9, 2016

Contract 0x71fab15a...

Byte-identical deployment of: On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the te

0x71fab1...d83e83March 9, 2016

Contract 0xb3c0330a...

experimental

The classic Frontier 'greeter' (Jan 2016): a mortal-derived contract storing a constructor-set greeting returned by greet(), with an owner-only kill().

0xb3c033...16696cMarch 9, 2016

Contract 0x4d18dbc0...

experimental

Byte-identical deployment of: The classic Frontier 'greeter' (Jan 2016): a mortal-derived contract storing a constructor-set greeting returned by greet(), with

0x4d18db...1c1f1fMarch 9, 2016

Contract 0x6853dbea...

experimental

Identical-runtime sibling. The classic Frontier 'greeter' (Jan 2016): a mortal-derived contract storing a constructor-set greeting returned by greet(), with an

0x6853db...9e6909March 9, 2016

Crowdsale

utility

The ethereum.org crowdsale tutorial: contributions run to a deadline against a goal, pay out a separate reward token, and are refunded if the goal is missed.

0xba8ee7...052785March 10, 2016

MyToken

token

Fixed supply at two decimals, with approvals delegated through a callback.

0xaeb038...ad2419March 10, 2016

Coin

token

The subcurrency from the Solidity documentation's opening chapter: one minter creates coins into any account, and holders send them on.

0xec204e...ed3196March 11, 2016

owned

utility

The owned ownership mixin at 153 bytes, deployed 11 March 2016.

0x21c6ff...c14197March 11, 2016

creatorBalanceChecker

utility

A teaching contract that records its creator's ether balance at the moment of deployment and keeps it, so the snapshot can be compared with the live value.

0x5433fe...fe7efdMarch 11, 2016

Contract 0xf26f30a6...

On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text, kill() lets the owner self

0xf26f30...1ef173March 11, 2016

Token

token

A single-unit token deployed two days before Homestead.

0x53a611...09affeMarch 12, 2016

owned

utility

The bare owned base contract, deployed alone at 326 bytes on 12 March 2016.

0x2800e7...e5ed72March 12, 2016
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