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CNN has renewed attention on Q-Day, the unknown future point when quantum computers may become strong enough to break common encryption systems.\u00a0<\/strong><\/p>\n \n Summary<\/span>\n <\/p>\n <\/p>\n The report said current internet security still depends on mathematical systems that a powerful quantum computer could one day crack.<\/p>\n The concern also reaches crypto because many blockchains rely on public-key cryptography to protect wallets and verify transactions. CNN noted<\/a> that bad actors may already collect encrypted data for \u201charvest now, decrypt later\u201d attacks, where stored data could be decrypted once stronger quantum machines exist.<\/p>\n <\/p>\n Crypto.news recently reported<\/a> that Solana validator clients Anza and Firedancer added early Falcon versions to prepare for possible quantum attacks. Falcon is a post-quantum signature tool designed to give Solana a path toward stronger protection if current cryptography becomes unsafe.<\/p>\n The Solana teams said the tool can be activated if needed and should not create a major performance burden. Jump Crypto said Falcon-512 has a smaller signature size than other selected post-quantum standards, which may help protect speed and storage efficiency.<\/p>\n Near One has raised a different concern. Its research team said<\/a> quantum attacks may not only expose private keys, but also create disputes over who owns crypto after stolen funds move on-chain.<\/p>\n Near One CTO Anton Astafiev said networks may struggle to know whether a transaction came from the real owner or an attacker. The team is preparing a testnet rollout using FIPS-204 quantum-safe signatures by the end of Q2 2026.<\/p>\n The U.S. National Institute of Standards and Technology has already released<\/a> three post-quantum encryption standards. NIST said administrators should begin moving to the new standards as soon as possible because current encryption may face future quantum attacks.<\/p>\n NIST also says organizations should identify where weak algorithms are used and plan upgrades to quantum-resistant systems. For crypto, that means wallets, validators, exchanges, bridges, and custody firms may need long-term migration plans before Q-Day becomes a real network risk.<\/p>\n <\/p><\/div>\n\n\n\n
Crypto networks start testing defenses<\/strong><\/h2>\n
NEAR warns about ownership disputes<\/strong><\/h2>\n
NIST urges migration before threat arrives<\/strong><\/h2>\n