Biography
Some clients I worked with: Aave (bug bounty), Base, Euler, Maker, Morpho, OpenSea, Pendle, Spark, Uniswap (competition), et al.
Most of my security work is private audits, some of them have been made public on Spearbit's portfolio.
CV
- security researcher (Q4 2020)
- Lead Security Researcher @Spearbit (Q1 2022 - now)
- independent audits (Q4 2020 - Q2 2024)
- competitive audits @Code4rena since the first competition (Q1 2021 - Q1 2022)
- ranked #1 on the all-time leaderboard having earned> $1.3M in awards
- security reviews as part of Sherlock's insurance initiative early on (Q4 2021)
- yAcademy guest auditor Block #3 (Q3 2022)
- blockchain dev (Q2 2017)
- software dev (2007)
- Degrees
- B.Sc. Math
- B.Sc. Computer Science
- M.Sc. Computer Science (Cryptography)
Top competitions
View allContest | Position | Date | Payout |
|---|---|---|---|
Omni Network | 6 / 36 | October 2024 | $69,836 |
metamorpho-and-periphery | 1 / 33 | November 2023 | $60,009 |
uniswap-v4 | 3 / 60 | September 2024 | $29,757 |
morpho-blue | 1 / 51 | November 2023 | $28,789 |
napier-v2 | 2 / 5 | January 2025 | $16,815 |
Private reviews
View allEngagement | Project title | Timeframe | Researchers |
|---|---|---|---|
Sky | Sky OFT: Cross-chain Governance Payloads | May 2026 - May 2026 | |
Sky | Sky: LZ Gov Bridge Support Xchain SSR Oracle | Apr 2026 - Apr 2026 | |
Sky | Sky: Grove Basin | Apr 2026 - Apr 2026 | |
Sky | Sky: Grove User Actions PSMVariant1Actions | Apr 2026 - Apr 2026 | |
Sky | Sky: StUsdsMom | Apr 2026 - Apr 2026 |
Security portfolio
Title | Description |
|---|---|
| Spearbit | See the following link for the latest published audits as a Spearbit LSR. CTRL + F -> "Christoph Michel" |
| Code4rena 🥇 | Ranked #1 on the Code4rena all-time leaderboard having earned $1.3M in prices. |