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
988 documented contracts

Contract 0x59712da0...

unknown

A two function ownership holder from October 2015 whose setter has no access control, so any address can take it over.

0x59712d...ca0778October 12, 2015

Private Lottery

oracle

Vitalik Buterin Serpent oracle fetcher (Oct 12, 2015). get(string) request contract; sweeps balance to 0xb3cd4c25 (send-before-return variant). Byte-for-byte cracked (Serpent @ f0b4128).

0xd53096...2cd710October 12, 2015

StringLib

library

A Solidity string utility library authored by Piper Merriam and deployed on October 12, 2015, providing functions for converting between unsigned integers and s

0xcca835...2ca6a4October 12, 2015

Etheria

utility

Etheria v0.7, the fatally bugged proto its author could never reproduce

0x014836...10d953October 14, 2015

HexValidator

utility

A standalone test of the Etheria hex coordinate bounds check

0xdf2ac0...453c32October 14, 2015

Contract 0x6e6012f6...

utility

The Etheria hex bounds check with the absolute value missing its else branch

0x6e6012...e95640October 14, 2015

HexValidator

utility

The Etheria hex bounds check in the form that reached Etheria v0.85

0x18b84d...df4d41October 14, 2015

Contract 0xf20c9fa3...

utility

The Etheria hex bounds check paired with the byte extractor

0xf20c9f...676af7October 14, 2015

Etheria

utility

Etheria v0.8, the version where anyone could accept a bid on anyone's tile

0xcf1eec...a3f9e6October 15, 2015

BlockDefStorage

utility

The earliest surviving Etheria block definition store, with a self locking initializer

0x08dbb4...7df9feOctober 15, 2015

Contract 0x7594db6e...

unknown

A redeployment of the earliest Etheria block definition store

0x7594db...dcd5f1October 16, 2015

BlockDefStorage

utility

The Etheria block definition store with the initializer lock repaired

0xed9c3a...3662c1October 16, 2015

Contract 0x5bc36205...

utility

Elevation storage for a pre release Etheria, sealed when the last column lands

0x5bc362...24dd6cOctober 16, 2015

Contract 0xc35a4e96...

unknown

A redeployment of the self sealing Etheria elevation store

0xc35a4e...385e4eOctober 16, 2015

Mortal

experimental

Owner-only self-destruct contract from the Ethereum Solidity tutorial. Calls suicide(owner) when the owner calls kill().

0xa5e575...17eef1October 17, 2015

Mortal

experimental

Owner-only self-destruct contract from the Ethereum Solidity tutorial. Calls suicide(owner) when the owner calls kill().

0x63989a...ac2cfaOctober 17, 2015

BlockDefStorage

utility

Block shape storage for a pre release Etheria, with the inner loop bound wrong

0xc81fae...25ad3fOctober 17, 2015

BlockDefStorage

utility

Block shape storage for a pre release Etheria, with a dynamic attachment list

0x57cdd5...e5f884October 17, 2015

Etheria

utility

Etheria v0.85, deployed 17 October 2015. Its author's published file is a later reconstruction; this is the source that compiles to the bytecode.

0xa2f63e...ebbe3dOctober 17, 2015

ListLogs

unknown

Serpent ListLogs on-chain log aggregator by Vitalik Buterin (Oct 18, 2015). addLog(str) emits Log(bytes); addBreak()/getLatestBreak() track block-number checkpoints. Sibling of 0xa619c3df. Byte-for-byte cracked (Serpent @ f0b4128).

0xd747c0...0bbe97October 18, 2015

ListLogs

utility

On-chain log aggregator (Serpent, list_logs/main.se): addLog(v) emits a Log(string) event; addBreak() marks the current block as a section boundary.

0xa619c3...443f65October 18, 2015

Etheria v0.9

nft

This is the first of the 4 Etheria smart contracts, the first NFT collection on Ethereum.

0xe468d2...40e1f4October 19, 2015

adStorer

utility

The store behind the ether_ad advertising dapp, holding eight auctioned ad slots

0xe16fe9...f147f8October 20, 2015

OnePhaseAuction

utility

One of the eight ether_ad advertising slots, run as an open ascending auction

0xfe524f...6bee4aOctober 20, 2015
PreviousPage 21 of 42Next