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BEP-708: Post-Quantum Hybrid Key Exchange for the BSC P2P Transport - #708

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BEP-708: Post-Quantum Hybrid Key Exchange for the BSC P2P Transport#708
zzzckck wants to merge 1 commit into
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@zzzckck zzzckck commented Aug 14, 2026

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hashdit-bot Bot commented Aug 14, 2026

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Pull Request Review

This PR adds BEP-708, a draft specification for upgrading BSC’s RLPx transport to a hybrid X25519 and ML-KEM-768 key exchange. It defines the v5 wire format, HKDF-SHA256 key schedule, backward-compatible negotiation, downgrade detection, configuration modes, testing requirements, and a staged rollout plan.

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