> For the complete documentation index, see [llms.txt](https://docs.bitcoinos.build/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bitcoinos.build/technical-documentation/grail-pro-charms-zkbtc/technical-overview/grail-pro/grail-pro-institutional-integration.md).

# Grail Pro - Institutional Integration

Grail Pro allows custodians a unique opportunity to become a part of the Grail Pro network by running their own operator node. This allows custodians to integrate their own system with their operator node, in order to achieve fine-grained control over the BTC release policy. 

This allows, for example: 

● A custodian can stay in control of BTC locked by itself or by its customers 

● BTC locked in this way can be seen as never having left the custodian’s wallet 

● The policy allows for a 1 of N security assumption, in the sense that by running an 

operator node a custodian can prevent other nodes from releasing locked BTC unduly even if the majority of the network becomes compromised

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