# \#proof-of-cloud

**URL:** https://collective.flashbots.net/tag/proof-of-cloud/164.md

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## [Flashbots attestation verification now supports Google Cloud 'provenance checks’](https://collective.flashbots.net/t/flashbots-attestation-verification-now-supports-google-cloud-provenance-checks/5954)

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**Author:** [@peg](https://collective.flashbots.net/u/peg)\
**Replies:** 0\
**Last updated:** [August 28, 2026, 6:32am UTC](https://collective.flashbots.net/t/flashbots-attestation-verification-now-supports-google-cloud-provenance-checks/5954 "2026-08-28T06:32:46Z")

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A major limitation of TEEs is that attacks involving hardware intervention are generally regarded as out-of-scope. That is, with physical access to a server an attacker can break the guarantees TEEs are designed to provi…