Gate News message, April 24 — COTI has announced a partnership with Sayfer, a blockchain security firm founded in 2019, to reinforce the security framework supporting its privacy-focused ecosystem. Sayfer will serve as a long-term security advisor to COTI, supporting the project as it prepares to launch new products and expands its privacy infrastructure.
Sayfer has built a strong reputation in the blockchain security space, having worked with major industry participants including MetaMask, 1inch, Polkadot, Tezos, and BNB Smart Chain, with no successful hacks recorded among its clients. The initial phase of the collaboration involved comprehensive smart contract audits of two critical COTI ecosystem components: private ERC-20 tokens and the Privacy Portal. Sayfer conducted granular line-by-line reviews of encrypted balance logic, remote procedure call handlers, key management processes, and token validation mechanisms. All identified issues were addressed by COTI’s development team prior to deployment.
COTI is also upgrading its MetaMask Snap integration to include full support for ctUint256, a confidential ERC-20 standard introduced through the Helium Mainnet upgrade. The updated interface will support private non-fungible tokens, allow users to switch between mainnet and testnet environments, and offer an improved transaction flow. Beyond traditional auditing, Sayfer is developing an AI-powered security layer to provide continuous, real-time monitoring of smart contracts and protocol infrastructure, combining automated vulnerability detection with expert analysis to enable ongoing threat detection and response.
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