Hadrien Croubois
Normalien ▪︎ Distributed systems PhD ▪︎ Smart Contract Engineer @ OpenZeppelin ▪︎ Formerly Research Engineer @ iExec ▪︎ Ethereum Magician
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105Repos
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Contributions (2025)
Total Commits
307Issues Closed
56PRs Merged
174Repository Impact
Total Stars
27126Total Forks
12671Top Languages
JavaScript32.0%
Solidity20.4%
C++12.8%
TypeScript11.7%
PHP8.3%
Top Repository
⭐ 25139
🍴 11854
Contribution Graph (2025)
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Contributions by Month (2025)
Contributions by Day (2025)
Active Days
220days
Longest Streak
18days
Longest Gap
15days
Weekend Activity
23days
Pinned Repositories
openzeppelin-contracts
OpenZeppelin Contracts is a library for secure smart contract development.
Solidity
⭐ 25139
🍴 11854
openzeppelin-contracts-upgradeable
Upgradeable variant of OpenZeppelin Contracts, meant for use in upgradeable contracts.
JavaScript
⭐ 1009
🍴 438
openzeppelin-upgrades
Plugins for Hardhat and Foundry to deploy and manage upgradeable contracts on Ethereum.
TypeScript
⭐ 631
🍴 271
merkle-tree
A JavaScript library to generate merkle trees and merkle proofs.
TypeScript
⭐ 470
🍴 112
EIP-5806
Solidity
⭐ 3
0Permit
Solidity
⭐ 29
🍴 7