Unknown Contracts

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

The first post-v0.9 release of Etheria, a fully on-chain hexagonal tile world and one of the earliest NFT projects on Ethereum, deployed October 22, 2015.

The hello-world of Solidity: multiply(x) returns x*7. The ethereum.org tutorial contract. 120 copies deployed Sep 2015 through Feb 2016.

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.

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

Early Digix Gold token contract address referenced in Digix documentation and community support threads (2016).

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

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

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

SingularDTV crowdfunding contract — managed the October 2016 token sale for the Ethereum-based decentralized entertainment platform, raising $7.5M in 17 minutes