# How to make the container lose control? And can be externally verifiable, similar to the eht black hole address

**URL:** <https://forum.dfinity.org/t/how-to-make-the-container-lose-control-and-can-be-externally-verifiable-similar-to-the-eht-black-hole-address/24759>\
**Category:** Rust\
**Created:** [November 17, 2023, 12:12pm UTC](https://forum.dfinity.org/t/how-to-make-the-container-lose-control-and-can-be-externally-verifiable-similar-to-the-eht-black-hole-address/24759 "2023-11-17T12:12:28Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ltp456](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/ltp456/32/13636_2.png) [@ltp456](https://forum.dfinity.org/u/ltp456)\
**Post date:** [November 17, 2023, 12:12pm UTC](https://forum.dfinity.org/t/how-to-make-the-container-lose-control-and-can-be-externally-verifiable-similar-to-the-eht-black-hole-address/24759/1 "2023-11-17T12:12:29Z")

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Want others to believe that this is a completely decentralized canister, no one can control the canister and it is verifiable

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**Author:** ![Vivienne](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/vivienne/32/29170_2.png) [@Vivienne](https://forum.dfinity.org/u/Vivienne)\
**Post date:** [November 17, 2023, 12:21pm UTC](https://forum.dfinity.org/t/how-to-make-the-container-lose-control-and-can-be-externally-verifiable-similar-to-the-eht-black-hole-address/24759/2 "2023-11-17T12:21:50Z")

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You can remove all controllers, so nobody can modify the canister. Then, if you provide a way to [reproducibly build](https://internetcomputer.org/docs/current/developer-docs/backend/reproducible-builds) the canister’s wasm it can be fully trusted from the outside

Honorable mention: [the blackhole canister](https://github.com/ninegua/ic-blackhole), which augments the above a little bit