Quantum Resistance

A practical, technical guide to Vitalik Buterin’s four-point quantum security roadmap for Ethereum and what protocol teams, validators, and product managers need to do now. Covers the four proposals, interaction with the Strawmap 2029 upgrades, Poseidon precompile implications for zkEVM, and a concrete preparedness checklist.

BIP 360 introduces a framework for post-quantum key types and hybrid verification on Bitcoin, marking a careful, code-first shift toward quantum-resistant cryptography. This article explains what the BIP changes, realistic adoption timelines, deployment hurdles, and what investors should do now.