> For the complete documentation index, see [llms.txt](https://zkcross-network-1.gitbook.io/learn.zkcross.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zkcross-network-1.gitbook.io/learn.zkcross.network/security-and-control.md).

# Security and Control

- [Guardian Enforcement](https://zkcross-network-1.gitbook.io/learn.zkcross.network/security-and-control/guardian-enforcement.md)
- [Protocol Allowlists](https://zkcross-network-1.gitbook.io/learn.zkcross.network/security-and-control/protocol-allowlists.md)
- [Signing and Permissioning](https://zkcross-network-1.gitbook.io/learn.zkcross.network/security-and-control/signing-and-permissioning.md)
- [Monitoring, Reconciliation, and Verification](https://zkcross-network-1.gitbook.io/learn.zkcross.network/security-and-control/monitoring-reconciliation-and-verification.md)
- [Settlement Verification](https://zkcross-network-1.gitbook.io/learn.zkcross.network/security-and-control/settlement-verification.md)
- [Fail-Closed Behaviour](https://zkcross-network-1.gitbook.io/learn.zkcross.network/security-and-control/fail-closed-behaviour.md)