Cardano's Hoskinson Warns of Trade-offs in Post-Quantum Cryptocurrency Era

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Release Time:12/22/2025 00:15:46

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Cardano founder Charles Hoskinson has warned that moving to post-quantum cryptography in the cryptocurrency space involves major trade-offs. He stressed that timing of blockchain upgrades matters more than the changes themselves, with early moves risking high costs. Existing post-quantum tools, like those from NIST 2024, are slower and less efficient, which could hurt blockchain performance. While quantum threats are real, experts disagree on when they’ll arrive. Hoskinson suggested using DARPA benchmarks to track progress. He also outlined two cryptographic paths—hash-based and lattice-based—each with pros and cons. Instead of rushing changes, he proposed a staged approach using Mithril and Midnight sidechains to secure Cardano’s ledger.

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