You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
chia-pool-reference was reported malicious
OSV:MAL-2026-652 - Malicious code in chia-pool-reference (PyPI)

chia-pool-reference

This package was deleted from PyPI around 2026-02-03. Installing fails with:
$ pip3 install chia-pool-reference ERROR: Could not find a version that satisfies the requirement chia-pool-reference (from versions: none) ERROR: No matching distribution found for chia-pool-reference

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You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2026-02-02/ \ chia-pool-reference
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Or, download files manually

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9.0.1
9.1.0