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: Keel Proxy LZ Gov Target Address Whitelist | Jan 2026 - Jan 2026 | |
Sky | Sky: Keel Solana ALM Controller Deployment Verification | Nov 2025 - Nov 2025 | |
Sky | Sky: Keel ALM Controller v1.0.1 | Oct 2025 - Oct 2025 | |
Sky | Sky: Spark ALM Controller v1.8 | Oct 2025 - Oct 2025 | |
Sky | WH LZ Migration | Oct 2025 - Oct 2025 |
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. |