Bitcoin’s Draft BIP 360 Introduces P2MR in Push Toward Quantum Resistance

Bitcoin developers have updated draft BIP 360 to introduce Pay-to-Merkle-Root (P2MR), a proposed output type designed to reduce long-term quantum risk while retaining Taproot’s scripting flexibility. The proposal removes Taproot’s key-path spend entirely, aiming squarely at the portion of modern bitcoin addresses most exposed to future quantum attacks. P2MR Could Offer Conservative First Step Toward