> For the complete documentation index, see [llms.txt](https://docs.bool.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bool.network/interoperability-protocol/dynamic-hidden-committee-dhc/security-trust-flow.md). # Security trust flow Bool Network applies an external verification model to guarantee the security and consistency of arbitrary cross-chain messages where the security is ultimately controlled by private keys managed in the network. The following graph depicts the trust flow of cross-chain message security from the perspective of a user smart contract which is represented as `Consumer` in the following case.