Frank Castle

Rust/Solana Security Auditor

Professional smart contract security researcher with focused expertise in auditing Rust-based programs and decentralized infrastructure across leading blockchain ecosystems, with 2 years of experience in Solana programs auditing.

On StageCTF Challenge Author

Talks

Challenges Built

On Stage

Events where they took the stage

0xCairo III: Security Day
On Stage
25 July 2026The Egyptian Chinese University, Nasr City, Cairo, Egypt
0xCairo Bytes: Don't Trust, zkVerify
On Stage
19 July 2025AUC, Cairo, Egypt
0xCairo Tech Day II
On Stage
19 October 2024The GrEEK Campus, Cairo, Egypt

CTF Challenge Author

Security puzzles and traps they engineered for the community

0xCairo III: Security Day
CTF Challenge Author
25 July 2026The Egyptian Chinese University, Nasr City, Cairo, Egypt