--- title: Did IBM CEO’s Quantum Timeline Prompt Jim Cramer to Exit... description: Jim Cramer announced plans to sell his bitcoin shortly after interviewing IBM CEO Arvind Krishna, who warned investors to be 'paranoid' about quantum... canonical: https://daily.dev/posts/did-ibm-ceo-s-quantum-timeline-prompt-jim-cramer-to-exit-bitcoin--mb8fkq2w4 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Did IBM CEO’s Quantum Timeline Prompt Jim Cramer to Exit Bitcoin? | daily.dev og:description: Jim Cramer announced plans to sell his bitcoin shortly after interviewing IBM CEO Arvind Krishna, who warned investors to be 'paranoid' about quantum... og:url: https://daily.dev/posts/did-ibm-ceo-s-quantum-timeline-prompt-jim-cramer-to-exit-bitcoin--mb8fkq2w4 og:image: https://api.daily.dev/og/posts/mb8Fkq2W4.png og:image:alt: Did IBM CEO’s Quantum Timeline Prompt Jim Cramer to Exit Bitcoin? og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Did IBM CEO’s Quantum Timeline Prompt Jim Cramer to Exit Bitcoin? **[The Quantum Insider](https://daily.dev/sources/thequantuminsider)** · 4 min read · 0 upvotes · 0 comments ## Summary Jim Cramer announced plans to sell his bitcoin shortly after interviewing IBM CEO Arvind Krishna, who warned investors to be 'paranoid' about quantum computing's potential to break modern cryptography within three to four years. Bitcoin relies on ECDSA, which could theoretically be broken by a fault-tolerant quantum computer running Shor's algorithm. Google Quantum AI recently estimated breaking elliptic curve cryptography may require fewer than 500,000 physical qubits — far fewer than previous estimates — though today's machines remain far from that scale. IBM's roadmap targets commercially meaningful quantum applications around 2028–2029. Not all bitcoin is equally at risk; addresses with unexposed public keys are safer, while legacy reused addresses face greater theoretical exposure. The crypto community is actively exploring post-quantum signature schemes, and many experts believe upgrades will arrive before quantum hardware poses a real threat. Cramer's announcement also revived the 'inverse Cramer' meme on social media. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Quantum computers are coming for bitcoin](https://daily.dev/posts/quantum-computers-are-coming-for-bitcoin-jrlwyeeft) · TechCentral · 0 upvotes · 0 comments - [Neha's Writings](https://daily.dev/posts/neha-s-writings-zksfwvlqh) · Hacker News · 0 upvotes · 0 comments - [Is Quantum Moving Faster Than Markets Expected? 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