Cardano Founder Says Crypto’s Quantum Threat Is Overhyped
Cardano founder Charles Hoskinson believes the quantum threat to blockchain is currently overstated, noting that quantum-resistant solutions exist but are too inefficient to implement now.Summary
Cardano founder Charles Hoskinson asserted that the quantum threat to blockchain technology is currently overhyped, calling it a "big red herring." He explained that while quantum-secure cryptography protocols exist, they are significantly slower and more expensive—about ten times slower and more costly—which no network is willing to adopt by sacrificing throughput for future-proofing.
Hoskinson emphasized that the industry must wait for standardized guidance, referencing the NIST post-quantum cryptography program (FIPS 203–206), before widespread migration. Adopting non-standard protocols leads to massive performance penalties compared to hardware-accelerated, standardized solutions. He pointed to DARPA's Quantum Blockchain Initiative (QBI) as the clearest public benchmark for determining when militarily relevant quantum computers might scale, suggesting this timeline points toward the 2030s.
Ultimately, the risk is timed, not immediate. While migration pressure is building across internet security stacks, for blockchains, the decision to switch to quantum-proof cryptography will be dictated by efficiency, hardware acceleration, and ecosystem alignment, rather than present danger.
(Source：BeInCrypto)