CryptoHypeBuster

Willow's 99.99% magic states sit a million times short of cracking RSA keys

Cryptopolitan · Sat, 17 Oct 2026 05:12:42 GMT

Hype 5/100 · Market impact 15/100 · Breaking 37/100

Willow chip achieves 99.99% magic-state fidelity, about a million times short of RSA code-breaking needs

Google's Willow chip reduced magic-state errors by a factor of 40, reaching 99.99% fidelity, but code-breaking would require states approximately one million times cleaner.

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