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Security audits

The security of TON Ecosystem is of utmost importance. Below is a summary of completed audits conducted by independent auditing firms for key components of TON Blockchain.

TON Blockchain

Various auditing firms audited core blockchain modules to ensure their robustness and security.

Audit firms: Trail of Bits, SlowMist, CertiK

Audit reports:

TON Blockchain library (tonlib)

Zellic conducted a security assessment for TON. 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

Security audit of the TON Virtual Machine and the Fift programming language.

Audit firm: Trail of Bits

Audit report:

TVM upgrade Jul 2023

Security audit of the TVM upgrade (Jul 2023).

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 security bug bounty program.

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