December 17, 2024 GitHub BIP 360 — Pay to Merkle Root (P2MR) Hunter Beast ↔ Ethan Heilman, Isabel Foxen Duke Pay-to-Merkle-Root (P2MR), a quantum-resistant output type. Like Taproot without the quantum-vulnerable key path spend — commits only to the Merkle root of a script tree. SegWit v2, soft fork.