Skip to main content

Security Audits

The security of the TON Blockchain ecosystem is of utmost importance. Below is a summary of completed audits for key components of the TON Blockchain, conducted by renowned auditing firms.

TON Blockchain

The core blockchain modules were audited to ensure the robustness and security.

Audit Firms: Trail of Bits, SlowMist, CertiK
Audit Reports:

TON Blockchain Library (tonlib)

Zellic conducted a security assessment for TON from October 16th to November 17th, 2023. During this engagement, Zellic reviewed Tonlib’s code for security vulnerabilities, design issues, and general weaknesses in security posture.

Audit Firm: Zellic
Audit Report:

TVM and Fift

The TON Virtual Machine and the Fift programming language.

Audit Firm: Trail of Bits
Audit Report:

TVM Upgrade 2023.07

TVM Upgrade 2023.07 were analyzed for security and potential vulnerabilities.

Audit Firm: Trail of Bits
Audit Report:


Bug Bounty Program

To further enhance the security of the TON ecosystem, we encourage security researchers and developers to participate in the TON Blockchain Bug Bounty Program.