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Canton Network has rolled out features that allow major crypto institutions to set their own security defenses for decentralized finance (DeFi) activity. The update is designed to give participants tools to block malicious actors before they can cause damage, according to Yuval Rooz of Digital Asset.
DeFi moves quickly, creating vulnerabilities that traditional financial players often did not face in legacy systems. The decentralized nature of these platforms means a single compromised private key can lead to large losses, and smart contracts with hidden bugs can be exploited by attackers. In addition, there is no centralized customer service channel to rely on if something goes wrong.
Rooz said customizable guardrails are important for building institutional comfort with blockchain. He noted that without the ability to tailor security parameters, many large players are unlikely to participate in DeFi due to the perceived risk. With user-defined controls, institutions can engage while limiting exposure to threats that match their own risk tolerance.
The need for flexibility is also tied to differences in institutional profiles. Rooz highlighted that a hedge fund managing $500 million would typically have different security requirements than a regional bank with $10 billion in assets.
Canton Network’s guardrails operate across multiple layers of DeFi activity. Institutions can define which addresses are allowed to interact with their assets, set transaction limits that require manual approvals above certain thresholds, and enforce time delays on larger transfers to create a window for security teams to review activity before funds move.
The system also supports rules governing smart contract execution. Institutions can block interactions with DeFi protocols that appear suspicious or have not been audited, addressing concerns in an ecosystem where new protocols launch frequently and some later prove to be scams or poorly coded.
Rooz said the tools are intended to reduce the likelihood of falling victim to attacks, while also emphasizing that no security system is perfect. The guardrails are meant to give institutions more control over their exposure rather than guarantee complete protection.
Canton Network said it continues working on additional security features, but it has not provided specific timelines or details about what is coming next.
For institutions, the approach is positioned as a shift away from platform-controlled security toward participant-defined controls. The framework is designed to align with how compliance teams, risk managers, and legal departments evaluate blockchain exposure—by enabling stringent controls over digital assets and transactions.
As more institutions explore DeFi, the model could become more widely adopted. The core idea is that institutions want the ability to set boundaries that fit their business needs, risk factors, operational scope, and regulatory obligations—rather than accepting one-size-fits-all security measures.
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