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For questions on getting certified or using the registry, feedback on methodology, requests for new features, or other topics, please complete the form below.
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For Registry Users

Do I need to register / set up an account to use the platform?

How can I be sure that miners’ credentials are valid?
How can I contact certified miners?
Can I export data from GP4BTC?

(How) Can I build proprietary applications on top of the GP4BTC registry?

Green Proofs for Bitcoin is a first-of-its-kind initiative to showcase Bitcoin miners taking action on climate goals. By delivering transparency and consistent metrics, we drive ROI for companies mining sustainably, creating a virtuous cycle where clean mining is easier to define, pursue, and monetize. Our goal is to make sustainable Bitcoin mining ubiquitous and to make the Bitcoin industry an accelerator of the clean energy transition.
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