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About Frank Castle

Frank Castle is a professional smart contract security researcher with focused expertise in auditing Rust-based contracts and decentralized infrastructure across leading blockchain ecosystems, including Solana , Polkadot , and Cosmos (CosmWasm).🦀

I have audited Lido , GMX , Pump.fun , LayerZero , Synthetix , Hydration , Perena , ORO , DUB Social and several multi-million protocols.

Frank Castle has successfully conducted over 30 Rust private audits, establishing a track record of rigor and excellence in smart contract security , He is trusted by: Pashov Audit Group , Spearbit , Cantina, Shieldify ,Zenith ,and BailSec. His comprehensive experience and hands-on knowledge of Rust-based ecosystems underscore His commitment to advancing blockchain security and best practices.

For private audit or consulting requests please reach out to me via Telegram castle_chain , X (0xcastle_chain) or Discord (castle_chain).

Private Audits

ID Protocol Lang - ecosystem Description Provider Findings Report
34 pAMM by Quantum Labs Rust🦀 - Solana "pinocchio" Solana-based automated market maker written in Rust, enabling token swaps using multi-point, curve-based pricing Solo 1 Critical, 1 High, 2 Mediums , 5 Lows NDA
33 Coalesce Finanace Rust🦀 - Solana a fork of Solend Protocol Pashov Audit Group 3 Highs , 14 Mediums , 15 Lows 📄
32 Meteora Rust🦀 - Solana Position NFT Distribution Pashov Audit Group 1 Medium , 5 Lows 📄
31 Weed Addicted Rust🦀 - Solana farming ecosystem where players cultivate digital crops, earn WEED tokens, and build referral networks. The game combines DeFi mechanics with engaging gameplay. Pashov Audit Group 3 Criticals upcoming
30 BitCorn <> LayerZero integration Rust🦀 - Solana Launching OFT token Spearbit - Cantina
29 Pump Rust🦀 - Solana NDA Pashov Audit Group NDA NDA
28 Pump Rust🦀 - Solana Token Incentive in Pump-swap and Pump-amm Pashov Audit Group NDA NDA
27 Layer N Rust🦀 - Solana solana Bridge program for settlement and bridging Cantina , Spearbit 1 Critical, 1 Medium , 4 Lows 📄
26 BTRFI Rust🦀 - Solana Staking , Voting and Vault programs Pashov Audit Group 5 Criticals , 2 Highs , 5 Mediums, 13 Lows 📄
25 Ellipsis plasma AMM Rust🦀 - Solana sandwish resitant AMM Accretion 1 Critical , 2 Mediums , 4 Lows 📄
24 Dare Protocol Rust🦀 - Solana Bonding curve Solo Soon Soon
23 Polymer Labs Rust🦀 - Solana and Solidity Cross-chain L2 state prover Spearbit , Cantina 4 Highs , 2 Mediums, 6 Lows Soon
22 Reserve DTF Rust🦀 - Solana Vault indexing protocol 3 Highs, 3 Mediums, 5 Lows 📄
21 BIO Rust🦀 - Solana Launchpad Pashov Audit Group 1 Medium , 2 Lows 📄
20 Pump Rust🦀 - Solana Token Sales Pashov Audit Group NDA NDA
19 Perena Rust🦀 - Solana Stablecoin - staking program Spearbit , Cantina 4 Criticals , 3 Highs, 4 Mediums , 3 Lows 📄
18 Boop Rust🦀 - Solana LaunchPad using Bonding curve and Staking program Solo 1 High , 1 Medium , 7 Lows 📄
17 ORO Rust🦀 - Solana Liquid staking and Gold trading Spearbit , Cantina 11 Criticals , 1 High , 5 Mediums, 3 Lows 📄
16 GMX Rust🦀 - Solana Perptual Market Code4rena, Zenith 9 Highs, 23 Mediums, 24 Lows 📄
15 Desci LaunchPad Rust🦀 - Solana LaunchPad Pashov Audit Group 1 critical, 2 highs, 1 medium , 8 lows 📄
14 Pump.fun Rust🦀 - Solana DEX , Bonding Curve Pashov Audit Group 1 Medium ,1 Low NDA
13 SomethingCool Rust🦀 - Solana DEX , Bonding Curve Solo 2 Mediums, 5 Lows 📄
12 STIX Rust🦀 - Solana Escrow protocol for facilitating the OTC trading on Solana Pashov Audit Group 3 Critical,4 High,2 Mediums,11 Lows 📄
11 bruv.fun Rust🦀 - Solana token bonding curve, allowing users to buy and sell tokens at dynamically adjusted prices. Solo 4 Criticals , 3 Highs , 2 Mediums 📄
10 Lido Rust🦀 Implementation of the Negative rebase sanity-check oracle using Succinct SP1 Pashov Audit Group 1 High 📄
9 Synthetix Rust🦀 - Solana 12k NSLOC over six weeks; Synthetix is a decentralized finance (DeFi) protocol that serves as a liquidity layer for the creation of derivative markets. Pashov Audit Group 1 High , 4 Mediums , 11 Lows 📄
8 Adra-lrt Rust🦀 - Solana Liquidity restaking token program Shieldify 1 High, 1 Medium, 3 Lows 📄
7 Hydration Rust🦀 - Polkadot ERC20 implementation Pashov Audit Group 1 High, 3 Mediums, 5 Lows 📄
6 Pump.fun Rust🦀 - Solana Bonding Curve Pashov Audit Group 1 High, 1 Medium, 11 Lows NDA
5 DUB Social Rust🦀 - Solana Bonding Curve and merkle distributor used to collect funds before migration to AMM Pashov Audit Group 3 Criticals, 4 Mediums, 13 Lows 📄
4 LzApp ONFT Rust🦀 - Solana The project implements an Omnichain Non-Fungible Token (ONFT) on the Solana blockchain using LayerZero’s cross-chain messaging protocol Shieldify 1 Critical, 1 High, 3 Mediums, 3 Lows 📄
3 LayerZero Rust🦀 - Solana Omnichain fungible token Pashov Audit Group 1 Medium, 11 Lows 📄
2 Pump.fun Rust🦀 - Solana A constant product AMM program Pashov Audit Group 1 High, 4 Mediums, 1 Low NDA
1 TAILWIND Rust 🦀 - CosmWasm Bounding Curve Solo 2 Majors, 1 minor, 2 info 📄

Pashov audit Group Audits

Pashov audit Group

Protocol Scope Lang - ecosystem Description Findings Report
Pump.fun "undisclosed" Rust🦀 - Solana A constant product AMM program 1 High, 4 Mediums ,1Low 📄
LayerZero OFT program Rust🦀 - Solana omnichain fungible token 1 Medium , 11 Lows 📄
DUB Social Bonding Curve and merkle distributor Rust🦀 - Solana Bonding Curve and merkle distributor used to collect funds before migration to AMM 3 Criticals , 4 Mediums , 13 LOW 📄
Pump.fun "undisclosed" Rust🦀 - Solana Bonding Curve 1 High , 1 mediums , 11 Lows 📄
Hydration ERC20 currency , multicurrency precompile Rust🦀 - Polkadot ERC20 implementation 1 High 3 Mediums , 5 Lows 📄
Synthetix Perptual and Core Market Rust🦀 - Solana 12k NSLOC over six weeks ; Synthetix is a decentralized finance (DeFi) protocol that serves as a liquidity layer for the creation of derivative markets. 1 High , 4 Mediums , 11 Lows 📄
Lido Accounting ZK Oracle built on SP1 "off-chain oracle program" Rust🦀 Implementation of the Negative rebase sanity-check oracle using Succinct SP1 1 High 📄
STIX Swap Program Rust🦀 - Solana Escrow protocol for facilitating the OTC trading on Solana 3 Critical,4 High,2 Mediums,11 Lows 📄

Highlights

Protocol Description Findings Rank Reward Report
HydraDX HydraDX Omnipool AMM - An Ocean of Liquidity for Polkadot Trade an abundance of assets in a single pool. The HydraDX Omnipool is efficient, sustainable and trustless. 1H , 2M 1M solo 2nd place🥈 leaderboard $21,555.12 USDC 📄
Centrifuge on Cantina Centrifuge is the infrastructure that facilitates the decentralized financing of real-world assets natively on-chain 1 High , 4 Mediums 4th place Leaderboard $ 5300 USDC 📄
Centrifuge on C4 Liquidity Pool and Bridge 2M 11th $ 1155 USDC 📄

Shieldify Audits

Shieldify Audit

Protocol Scope Lang - ecosystem Description Findings Report
LzApp ONFT Omnichain Non-Fungible Token (ONFT) Program Rust🦀 - Solana The project implements an Omnichain Non-Fungible Token (ONFT) on the Solana blockchain using LayerZero’s cross-chain messaging protocol 1 Critical , 1 High , 3 Mediums , 3 Lows 📄
Adra-lrt adra-lrt program Rust🦀 - Solana liquidity restaking token program 1 High, 1 Medium , 3 Lows 📄

Competitive Audits

Rust audits 🦀

Contest Description Ranking Rewards Report
HydraDX HydraDX Omnipool - An Ocean of Liquidity for Polkadot Trade an abundance of assets in a single pool. The HydraDX Omnipool is efficient, sustainable and trustless. 2nd place🥈 leaderboard $21,555.12 USDC 📄
Centrifuge Centrifuge is the infrastructure that facilitates the decentralized financing of real-world assets natively on-chain 4th place $ 5300 USDC 📄

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All the private and public audits that I have worked on.

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