Fuzzing specialist. ASR at Spearbit. Founder of Perimeter guild.
Rappie is the Founder, CTO, and Lead Fuzzing Specialist at Perimeter, an Associate Security Researcher at Spearbit, and active in Bug Bounty on Immunefi.
As a security researcher, he specializes in fuzzing EVM-based smart contracts.
Beyond his professional roles, Rappie is an active member of the fuzzing community, contributing to its growth through various initiatives, including maintaining a List of Public Fuzzing Campaigns.
Testimonials
Rappie found some extremely subtle behaviors in our code that many others missed. He not only uses the cutting edge of multiple fuzzing engines, but also helps shape how these fuzzers are built. We've been delighted to use his mastery to make our contracts more secure.
Rappie went above and beyond to deeply understand our protocol and cover all the edge cases. His experience and knowledge about the art of fuzzing is unparalleled. Overall he is an incredible security expert, we certainly will be returning to him with our future smart contracts.
Fuzzing & Security Research
| Protocol | Engagement Type | Completed | Report | Code |
|---|---|---|---|---|
| Private | Fuzzing Specialist during Spearbit Security Review | 2024-05 | ||
| Origin Protocol | Perimeter Fuzzing Engagement | 2024-05 | Report | Code |
| Private | Perimeter Fuzzing Engagement | 2024-04 | ||
| Private | Fuzzing Specialist during Spearbit Security Review | 2024-03 | ||
| Drips Network | Perimeter Fuzzing Engagement | 2024-01 | Code<br> | |
| Drips Network | Fuzzing Specialist during Spearbit Security Review | 2023-11 | Report | <br> |
| Private | Perimeter Fuzzing Engagement | 2023-11 | ||
| Origin Protocol | Fuzzing Engagement | 2023-09 | Code | |
| Origin Protocol | Fuzzing & Audit | 2023-03 | Report |
External Links
Don't hesitate to contact me with questions, discussions, or business requests.
- X: rappie_eth
- Discord:
rappie - Telegram:
@rappenstein - Cantina: Rappie
Security portfolio
Name | Description | |
|---|---|---|
Reproducing Rari Finance Hack | Reproduction of the Rari Finance hack using Echidna | Read more |
OETHVault Fuzzing Campaign | Fuzzing campaign for the Origin Protocol OETHVault | Read more |
OUSD Fuzzing Campaign | Fuzzing campaign for the Origin Protocol OUSD token | Read more |
Drips Fuzzing Campaign | Fuzzing Campaign and Spearbit Security Review for Drips Network | Read more |
OETHVault Fuzzing Report | Report for the Origin Protocol OETHVault fuzzing campaign | Read more |