Hi there, I'm Zixine π
"Finding vulnerabilities before attackers do"
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
contract ZixineProfile {
struct Expertise {
string[] auditTypes;
string[] protocols;
uint256 contractsAudited;
uint256 vulnerabilitiesFound;
uint256 valueSaved;
}
mapping(address => Expertise) public expertise;
constructor() {
expertise[msg.sender] = Expertise({
auditTypes: ["DeFi", "NFT", "GameFi", "Governance", "Proxy Patterns"],
protocols: ["Uniswap V3", "Compound", "Aave", "OpenZeppelin"],
contractsAudited: 100,
vulnerabilitiesFound: 47,
});
}
}- Reentrancy Attacks: Cross-function, read-only, and cross-contract reentrancy
- Access Control: Proxy storage collisions, initialization exploits, privilege escalation
- Logic Vulnerabilities: Integer overflows, rounding errors, precision loss
- MEV & Sandwich Attacks: Front-running protection, slippage manipulation
- Flash Loan Exploits: Price manipulation, governance attacks, oracle manipulation
- Static Analysis: Slither, Mythril, Securify integration
- Dynamic Testing: Foundry fuzzing, Echidna property testing
- Formal Verification: Certora, K-framework specifications
- Manual Review: Line-by-line opcode analysis, gas optimization
- Slither: Custom detector development for protocol-specific vulnerabilities
- Mythril: Symbolic execution and taint analysis
- Semgrep: Custom rules for Solidity pattern matching
- 4naly3er: Comprehensive gas optimization analysis
- Foundry: Property-based testing, invariant fuzzing
- Echidna: Haskell-based property testing
- Manticore: Symbolic execution for complex state spaces
- Scribble: Runtime verification and specification
- Certora Prover: Mathematical proof generation
- K Framework: Semantics-based verification
- TLA+: Protocol-level specification and verification
- Custom Slither Detectors: 15+ detectors for DeFi-specific vulnerabilities
- Foundry Templates: Battle-tested security testing templates
- Gas Optimization Library: Proven patterns saving 20-40% gas costs
contract SecurityServices {
enum ServiceType {
COMPREHENSIVE_AUDIT, // Full protocol security review
FLASH_AUDIT, // Quick vulnerability assessment
GAS_OPTIMIZATION, // Performance & cost optimization
EMERGENCY_RESPONSE, // Post-exploit analysis & fixes
SECURITY_CONSULTING, // Architecture review & design
TRAINING_WORKSHOPS // Team security education
}
struct AuditPackage {
uint256 duration; // Days
uint256 coverage; // Lines of code
bool includesReaudit; // Follow-up review included
uint256 cost; // Professional rates
}
}- DeFi Protocols: AMMs, Lending/Borrowing, Yield Farming, Derivatives
- NFT Marketplaces: Trading, Royalties, Fractionalization
- GameFi & Metaverse: Play-to-earn, Virtual economies, Cross-chain gaming
- Infrastructure: Bridges, Oracles, Governance, Multi-sig systems
- Upgradeable Contracts: Proxy patterns, Storage layouts, Migration security
- Account Abstraction Security: EIP-4337 implementation vulnerabilities
- L2 Security: Rollup-specific attack vectors and bridge exploits
- MEV Protection: Advanced sandwich attack prevention mechanisms
- Zero-Knowledge: Privacy-preserving audit techniques and zk-SNARK vulnerabilities
- Cross-Chain Security: Bridge exploit prevention and multi-chain consistency
- Audit-Utils: Comprehensive security testing library
- Gas-Patterns: Optimization patterns with 40%+ savings
- Reentrancy-Guard-Plus: Advanced reentrancy protection
- Proxy-Security-Toolkit: Safe upgrade pattern implementations
- π Smart Contract Audits: Comprehensive security reviews
- π¨ Emergency Response: Post-exploit analysis and remediation
- π Security Training: Team workshops and best practices
- π‘ Security Consulting: Architecture review and secure design
- ποΈ Protocol Development: Security-first smart contract development
Building the future of secure decentralized finance, one audit at a time.
Solidity 15 hrs 32 mins βββββββββββββββββββββ 85.2%
JavaScript 1 hr 45 mins βββββββββββββββββββββ 9.6%
Python 45 mins βββββββββββββββββββββ 4.1%
Documentation 12 mins βββββββββββββββββββββ 1.1%