Unknown Contracts

A Frontier-era Greeter with the message: 'Hello World!'

A Frontier-era Greeter with the message: 'salut coco'

A Frontier-era Greeter with the message: 'Steve. . . Hello World!'

A Frontier-era Greeter with the message: 'Hello World!'

A Frontier-era Greeter with the message: 'Hello there captain!'

A Frontier-era Greeter with the message: 'Hola!'

A Frontier-era Greeter with the message: Hola! (block 97,240)

A Frontier-era Greeter with the message: 'Hola!'

A Frontier-era Greeter with the message: 'Hola!'

A Frontier-era Greeter with the message: 'HOW GREAT THOU ART!'

A Frontier-era Greeter with the message: 'Goatmine is in the House'

A Frontier-era Greeter with the message: 'Dan sulez the world!'

A Frontier-era Greeter with the message: 'I am on the etherchain!!'

A Frontier-era Greeter with the message: 'I am on the etherchain!!'

Classic 3:1 pyramid scheme with Bitcoin bridge integration, deployed September 7, 2015. 1 ETH to enter, 2.7 ETH payout every 3rd participant. Originally hosted

A 57-byte contract deployed by the Ethereum Foundation wallet on September 20, 2015, 52 days after Frontier launch. Implements a single function foo() that retu

A 77-byte contract deployed by the Ethereum Foundation wallet on September 20, 2015. Implements foo() returning a 21-byte constant value, requiring the PUSH21 o

A 108-byte contract deployed by the Ethereum Foundation wallet on September 20, 2015. Written in Solidity v0.1.4, it implements bar(uint256) returning x + 2. De

A Frontier-era subcurrency with dual-send pattern: direct transfers and exchange-authorized transfers. Deployed Sep 21 2015.

Identical contract to 0xFF2947 — same bytecode, same source. Deployed one day later, Sep 22 2015.

The second contract deployed by Piper Merriam on September 22, 2015, within hours of the Ethereum Alarm Clock v1, representing the first same-day iteration of t

The URL hint registry hardcoded into go-ethereum — maps content hashes to URL hints where the actual files (like NatSpec documentation) could be retrieved. Thir

On-chain lottery from October 2015. Players buy tickets (1-25+ ETH with bulk discounts) in rounds of 1,000. Winners selected via combined server seed, client en

A Solidity date and time utility library deployed by Piper Merriam on October 6, 2015, providing functions to parse Unix timestamps into human-readable date com