Smart Contract Audit

Sayfer's Smart Contract Audit service provides comprehensive line-by-line code review by dedicated security researchers to identify vulnerabilities, design issues, and security risks in blockchain smart contracts. The service is backed by a money-back guarantee and a zero-client-hacks track record, with over $10.5 billion secured across 100+ global clients.

Service Tiers

Standard Audit (2-3 weeks): Assigns two auditors for a thorough line-by-line code review, including retest of fixes, gas optimizations, risk assessment, and contract fuzzing. Up to 100 additional code lines reviewed post-report.

Premium Audit (3-4 weeks): All Standard features plus three auditors assigned, up to 250 additional code lines reviewed post-report, bug bounty program inclusion, and penetration testing component.

Elite Warranty Audit: Custom plans available upon request with tailored scope and pricing.

Audit Process

The engagement follows six stages: introduction and scoping call, detailed pricing quote, comprehensive code review by security experts, delivery of findings with remediation solutions, complimentary retest and 5 hours of free security consulting, and final security certification.

Specializations

Sayfer has audited smart contracts across Ethereum, Binance Smart Chain, Solidity-based protocols, GoodDollar Superfluid contracts, bridging protocols, payment proxy contracts, and MetaMask Snap extensions. Notable audit clients include Tenderly, Tezos, Polkadot, MetaMask, GoodDollar, Bolide, Zenpool, PetCoin, TopBridge, and Request Finance.

Deliverables

All audits include a detailed report documenting vulnerabilities by severity (High, Medium, Low, Informational), specific code locations, mitigation recommendations, and a marketing certification package clients can use to demonstrate security to their communities.