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Blockstream CEO Adam Back dismissed concerns that quantum computers will soon break Bitcoin's security, pointing to the limited capabilities of existing quantum hardware and advocating for gradual migration to post-quantum cryptography rather than panic.
Lightning Network's public key structure creates a unique quantum vulnerability that Bitcoin's base layer avoids by design, according to researcher Udi Wertheimer.
Quantum computers pose a threat to Bitcoin's oldest dormant coins, including those held by creator Satoshi Nakamoto. While Binance co-founder Changpeng Zhao says the crypto industry can upgrade to quantum-resistant cryptography, migrating coins already locked in old addresses presents a different challenge.
Quantum computers pose an emerging threat to Bitcoin's security. Project Eleven estimates 6.8 million Bitcoin worth ₱28.26 trillion ($470 billion) sit in addresses vulnerable to quantum attacks, while Bitcoin developers have already begun implementing quantum-resistant solutions.
Ethereum Foundation launched a dedicated Post-Quantum team this week with a 2029 target for implementing quantum-resistant cryptography across the network's protocol layer. The team warned that migrating a global decentralized protocol requires years of coordination before quantum threats materialize.