> For the complete documentation index, see [llms.txt](https://docs.cyclonechain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cyclonechain.com/overview/cyclone-chain/security-mechanisms.md).

# Security Mechanisms

Before delving into Cyclone's security mechanisms, it's essential to understand one of its innovative features: the [**Coinless Interaction Model (CIM)**](/gamechanging/coinless-interaction-model.md). CIM enables users to interact with the blockchain and pay transaction fees without the necessity of holding the native token balance. Instead, CIM allows for the utilization of any specially registered token to cover network interaction fees. This flexibility provides users with greater convenience and accessibility in engaging with the Cyclone blockchain.

Now, turning to Cyclone's security measures, the blockchain integrates a range of mechanisms to safeguard against potential attacks. These measures are designed to uphold the integrity and reliability of transactions within the network.

Transaction fees serve as a critical component of Cyclone's security framework. While CIM facilitates fee payment with registered tokens, transaction fees remain mandatory for every interaction with the network. This requirement acts as a deterrent against network abuse and Distributed Denial of Service (DDoS) attacks, ensuring the network's stability and availability.

By combining economic incentives with technical measures, Cyclone establishes a robust defense against various threats, thereby enhancing the overall security posture of the network. These security mechanisms work in tandem to fortify Cyclone against potential vulnerabilities, guaranteeing the safety and trustworthiness of transactions conducted on the blockchain.

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