Unknown Contracts

Etheria v1.1—an early on-chain hexagonal tile world and pioneering NFT project—deployed on October 29, 2015, with new locking and naming features.

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.

An ethereum.org 'Hello World' greeter (mortal + greeter): greet() returns its stored greeting, kill() selfdestructs to the owner. One of 68 byte-identical Front

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

Test contract for Piper Merriam's Ethereum Alarm Clock, deployed December 2015. Verifies the scheduler can execute set/register/do calls correctly.

An ethereum.org 'Hello World' greeter (mortal + greeter): greet() returns its stored greeting, kill() selfdestructs to the owner. One of 68 byte-identical Front

A Frontier-era copy of the canonical ethereum.org greeter - greet() reads a stored string; the mortal base adds owner-only kill(). Shares its 366-byte runtime w

A greeter from the early ethereum.org docs: returns a stored greeting via greet(), self-destructs to owner via kill(). Byte-identical to 67 sibling contracts.

The ethereum.org tutorial greeter, redeployed verbatim: a stored-greeting greet() over a mortal (owner/kill) base. One of the most-copied early Solidity contrac

Doubler drain contract with hardcoded owner

One of the first viral Ethereum dapps, deployed January 23, 2016 by Kieran Elby. Players competed to hold the throne by paying an increasing claim price. The co

One of the earliest Oraclize-powered smart contracts on Ethereum — a YouTube views sponsorship bounty deployed January 25, 2016.

The Ethereum Alarm Clock Scheduler contract by Piper Merriam — one of the earliest utility smart contracts on Ethereum, enabling time-based scheduling of future

Mineable toy token that dispenses 0.00000008 MC when called with the magic value 52013.

Identical-runtime instance of the ethereum.org 'Hello World' greeter (greet() + owner-only kill()), among 68 such Frontier deployments.

A pyramid scheme promising 2x returns to ETH participants. 28 ETH remains locked — those who entered last will never be paid out.

Self-adjusting pyramid scheme with declining multipliers (3x to 1.5x), deployed February 23, 2016. 140 participants entered, 136 still waiting for payout. Sourc

Identical-runtime sibling. On-chain document/agreement holder (Homestead, Mar 2016): stores owner + a constructor-set string, returnContract() returns the text,

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

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

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

The DigixDAO crowdsale contract — the first major DAO token sale on Ethereum, raising $5.5M in under 24 hours in March 2016.

Flight delay insurance experiment by Christoph Mussenbrock and team, built for participants flying to Devcon 2 in Shanghai. Predecessor to the Etherisc protocol