TON Smart Contract Security Audit & Penetration Testing

TonBit is the officially recognized Primary Security Assurance Provider (SAP) for the TON blockchain, delivering comprehensive smart contract security audits and penetration testing services for projects building on TON.

Service Overview

TonBit performs in-depth security reviews for smart contracts written in Tact and FunC — the native programming languages of the TON ecosystem. The audit process combines thorough manual code review with automated static analysis to identify vulnerabilities, logic errors, and security risks before deployment. Clients receive a comprehensive final audit report documenting all identified issues with severity ratings (critical, high, medium, low) and recommended remediation steps, published publicly on TonBit's GitHub repository for full transparency.

What's Included

• Tact and FunC smart contract audits
• DeFi protocol security reviews
• Token contract audits
• Multi-signature wallet contract reviews
• NFT and gaming contract audits
• Penetration testing with simulated attack scenarios
• TON VM vulnerability analysis and gas manipulation testing
• DeFi attack vector simulation
• Comprehensive audit report with severity ratings and remediation guidance

Why Choose TonBit

As the officially endorsed SAP for the TON blockchain, TonBit offers unmatched specialization in TON-specific security. Their researchers have discovered three separate critical TON VM vulnerabilities formally acknowledged by the TON Foundation, and the team brings 10+ years of cybersecurity experience, 20+ blockchain security academic papers, and DEFCON champions. They have audited over 30 high-profile TON projects including Fiva Protocol, Torch Finance, Catizen, UTonic, Tonstakers, Duckchain, PixelSwap, TonUp, and Tradoor.