Byzantium Era

Token deposit address for the Faa.st instant exchange, October 2017: its owner calls sweep(token, to) to send the whole balance of any ERC20 onward.

One hundred and thirty-seven bytes: a delegatecall proxy with the implementation address burned into the code and a fixed 4096-byte return window.

ERC20 token built on OpenZeppelin v1.3.0 with owner-restricted burn function. Deployed during the 2017-2018 ICO era.

A 180 byte proxy that checks its implementation still has code, delegates the call, and returns a fixed size window of the result.

Deposit address that forwards its ether and any ERC-20 balance to one fixed wallet, driven entirely by a controller account.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

Minimal single owner execution wallet from late 2017: one owner, one execute call that can send ether and arbitrary calldata anywhere.

A 180-byte forwarder from November 2017 that delegatecalls a hardcoded ENS name offering contract, one per name listed for sale.

A 180 byte proxy that verifies its implementation has code before delegating, and returns a fixed 4096 byte window of the result.

CryptoCats pre-launch test contract (Nov 2017). The first version to introduce cat names and the allInitialOwnersAssigned() initialization pattern.

Proxy wallet that forwards received ETH to a configured bank address. Owner can sweep ETH and ERC-20 token balances to that same destination.

Bittrex deposit wallet that forwards token sweeps to a shared sweeper via delegatecall.

A single-purpose key holder: the only thing it can do is call burn on one fixed token, and the only person who can ask is its owner.

The first NFT game to achieve mainstream adoption, introducing on-chain collectibles, breeding mechanics, and ERC-721 ownership at global scale.

A lottery number you can pay by address: send ether here and it buys tickets for your chosen number on your behalf, refunding anything left over.

Deposit wallet that accepts ether through a payable fallback and routes token sweeps through a central sweeper list by delegatecall.

Owner-controlled multi-purpose wallet, first of 1,374 identical siblings. Accepts ETH, sweeps ERC-20 tokens, and implements ERC-223 tokenFallback. Source verified by EthereumHistory.