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Frank Castle

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 AuthorCommunity Pillar
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3

Talks

1

Challenges Built

1

Funded

On Stage

Events where they took the stage

  1. 0xCairo III: Security Day

    On Stage
    25 July 2026The Egyptian Chinese University, Nasr City, Cairo, Egypt
  2. 0xCairo Bytes: Don't Trust, zkVerify

    On Stage
    19 July 2025AUC, Cairo, Egypt
  3. 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

  1. 0xCairo III: Security Day

    CTF Challenge Author
    25 July 2026The Egyptian Chinese University, Nasr City, Cairo, Egypt

Financial Support

Events they helped bootstrap and fund

  1. 0xCairo III: Security Day

    Community Pillar
    25 July 2026The Egyptian Chinese University, Nasr City, Cairo, Egypt