0xAlexSR
@qalex
58
Biography
Challenge me
Discovered security researcher activity in 2025, web3 is my passion since 2017.
Learning more every single day.
CV:
- 2025: Stepping into security researcher.
 - 2022-2024: Founding Lead Blockchain Engineer where I designed multiple protocols in Solidity and highly participated in full stack tasks (Django Backend, React Frontend, SDKs, APIs, GCP Devops)
 - 2019-2022: French Engineering school MS (major: Information Systems Architecture) - While following an apprenticeship as Data & Network Engineer
 - 2017: Discovered crypto and built multiple small projects (ERC721 collections, ERC20 tokens, defi forks)
 
Top competitions
View allContest  | Position  | Date  | Payout  | 
|---|---|---|---|
colorpool-chromia  | 13 / 28  | March 2025 | $315 | 
liquidity-book-vaults  | 17 / 83  | April 2025 | $226 | 
mighty-contracts  | 64 / 129  | April 2025 | $12 | 
daao-contracts  | 76 / 134  | January 2025 | $3 |