Cardano founder Charles Hoskinson says quantum threats to blockchain are overstated today. He argues the industry already knows how to build quantum-resistant systems, but lacks efficiency and hardware alignment to switch. In a recent podcast discussion, he described quantum as “a big red herring,” adding that real urgency will come only when military-grade quantum benchmarks show credible progress. Quantum Is a Red Herring For Crypto Hoskinson explained that blockchains could migrate to quantum-secure cryptography, but the performance trade-off is steep
source: https://beincrypto.com/cardano-founder-quantum-reality-check-crypto/