{"id":"tp-43971","type":"article-newspaper","title":"Alice & Bob Estimates Bitcoin Key Attack Needs 29,588 Qubits and 62 Minutes","author":"Simon Yoon","publisher":"TOKENPOST Inc.","url":"https://www.tokenpost.com/news/technology/43971","datePublished":"2026-10-29T22:38:01.000Z","dateModified":"2026-10-29T22:38:01.000Z","language":"en","abstract":"The estimate uses a cat-qubit architecture and requires about 17 times fewer qubits than a March estimate of fewer than 500,000. Alice & Bob called for Bitcoin to begin a post-quantum migration as soon as possible.","section":"Technology","references":[{"title":"estimates of Bitcoin’s long-term cryptographic-break risk","url":"https://www.tokenpost.com/news/technology/30012"}]}