LayerZero Labs contributed the following description of USDT OFT:

LayerZero is a technology that enables applications to move data across blockchains, uniquely supporting censorship-resistant messages and permissionless development through immutable smart contracts.

Zellic conducted a security assessment for LayerZero Labs. During this engagement, Zellic reviewed USDT OFT's code for security vulnerabilities, design issues, and general weaknesses in security posture. Between January 2nd to January 15th, 2025, Zellic focused on the TON implementation, and from February 11th to February 12th, 2025, Zellic focused on the EVM implementation.