Cairo Smart Contract Security Audits for Starknet DeFi and dApps
Specialized security audits for Cairo smart contracts on Starknet. Our expert team identifies vulnerabilities unique to STARK-based computation including felt arithmetic issues, account abstraction flaws, and zero-knowledge proof exploits.
What We Audit
Comprehensive analysis of your Cairo contracts across all critical security vectors
Account Contracts
Account abstraction implementations and custom account logic.
- • Signature validation
- • Multi-sig implementations
- • Transaction execution
- • Account upgrades
DeFi Protocols
Decentralized finance applications on Starknet.
- • AMM implementations
- • Lending protocols
- • Yield farming
- • Liquidity mining
Token Contracts
ERC-20 and custom token implementations on Starknet.
- • Token standards
- • Minting mechanisms
- • Transfer logic
- • Allowance systems
NFT Contracts
Non-fungible token implementations and marketplaces.
- • ERC-721 contracts
- • Marketplace logic
- • Royalty systems
- • Metadata handling
Gaming Contracts
Blockchain gaming and play-to-earn applications.
- • Game mechanics
- • Asset management
- • Reward systems
- • Tournament logic
Layer 2 Solutions
Scaling solutions and cross-layer communication.
- • State transitions
- • Bridge contracts
- • Rollup logic
- • Proof verification
Cairo-Specific Vulnerabilities
Unique security issues we identify in Starknet programs
Felt Arithmetic Issues
Overflow/Underflow
Felt arithmetic overflow and underflow vulnerabilities in calculations.
Assert Misuse
Improper use of assert statements leading to unexpected failures.
Memory Safety
Memory allocation and access pattern vulnerabilities.
Storage Variables
Improper storage variable handling and state management.
Starknet-Specific Issues
Account Abstraction
Vulnerabilities in custom account implementations and signature validation.
Contract Interactions
Cross-contract call vulnerabilities and interaction security flaws.
Proof Verification
STARK proof generation and verification vulnerabilities.
L1-L2 Communication
Cross-layer message passing and state synchronization issues.
Our Cairo Audit Process
Specialized methodology for Starknet program security analysis
Architecture Review
Analysis of STARK-based architecture, account abstraction, and contract interactions.
Cairo Code Analysis
Deep dive into Cairo syntax, felt arithmetic, and Starknet-specific implementations.
Security Assessment
Identification of vulnerabilities specific to Cairo and zero-knowledge proofs.
Detailed Report
Comprehensive audit report with findings, recommendations, and Starknet best practices.
Frequently Asked Questions
Common questions about our Cairo smart contract audit services
Secure Your Cairo Contracts Today
Don't let vulnerabilities compromise your Starknet project. Get expert Cairo audit from Zealynx.
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