Byzantium Era

Late 2018 deposit address that does not know where it is sending: on every payment it asks a shared registry for the current target, forwards the whole amount there, and logs it.

Late 2018 deposit address that does not know where it is sending: on every payment it asks a shared registry for the current target, forwards the whole amount there, and logs it.

Late 2018 deposit address that does not know where it is sending: on every payment it asks a shared registry for the current target, forwards the whole amount there, and logs it.

Late 2018 deposit address that does not know where it is sending: on every payment it asks a shared registry for the current target, forwards the whole amount there, and logs it.

Migrations 572 sibling cluster of 16 identical deployments.

Single-owner wallet that forwards received ether straight to its owner and can execute arbitrary calls on the owner's behalf.

Bancor-lineage per-user withdrawal wallet, first of 7,847 identical siblings from Sep 2018. Source verified by EthereumHistory via linked-library bytecode match.

Augur's Delegator, which looks its implementation up by name in the Augur controller on every call.

Minimal timestamp + hash storage — two public state variables (`uint256 timestamp`, `bytes32 hash`) with auto-getters, no other logic. Cluster of 11 identical deployments.

Minimal timestamp + hash storage — two public state variables (`uint256 timestamp`, `bytes32 hash`) with auto-getters. Cluster of 11 identical deployments.

TimeStamp sibling — cluster of 9 identical deployments.

Token collection point: anyone may push any ERC-20 balance it holds to a beneficiary the owner controls, and nobody can redirect it in the same call.

ENS subdomain registrar from October 2018 with one of the earliest in-the-wild multicall(bytes[]) batchers via delegatecall in Ethereum history.

OpenZeppelin TokenTimelock — locks ERC20 tokens until a release timestamp, then `release()` transfers them to the beneficiary. Cluster of 118 identical deployments.

TokenTimelock sibling — cluster of 116 identical deployments.

Trivial empty contract with reverting fallback. No functions, no state. First of 9 identical deployments.

Migrations 760 sibling cluster of 21 identical deployments.

TokenTimelock sibling cluster of 117 identical deployments.

Standard Truffle Migrations (unoptimized variant). Cluster of 17 identical deployments.

Migrations 760 sibling — cluster of 15 identical deployments.

Migrations 760 sibling cluster of 16 identical deployments.

Migrations 760 sibling cluster of 24 identical deployments.

Migrations 760 sibling — cluster of 23 identical deployments.

Trivial empty contract with reverting fallback. No functions, no state. First of 11 identical deployments.