EIP-7998 Turn `randao_reveal` into a VRF

DraftCorecreated 2025-08-031 later proposal build on it

Transforms Ethereum’s `randao_reveal` into a per-slot BLS-based VRF by signing the previous epoch’s mix and current slot.

Authors: Alberto La Rocca (@71104), Aryaethn (@aryaethn)

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What the specification covers

This proposal declares no Solidity interface, so there is nothing to compute. It may be a core protocol change, a meta proposal, or written in prose only.

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