{"id":28407,"date":"2026-04-16T12:47:14","date_gmt":"2026-04-16T11:47:14","guid":{"rendered":"https:\/\/investx.fr\/en\/?p=28407"},"modified":"2026-04-16T12:47:16","modified_gmt":"2026-04-16T11:47:16","slug":"bitcoin-quantum-computers-hoskinson","status":"publish","type":"post","link":"https:\/\/investx.fr\/en\/crypto-news\/bitcoin-quantum-computers-hoskinson\/","title":{"rendered":"Charles Hoskinson warns: Quantum computers could threaten 34% of Bitcoin"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"a-massive-quantum-threat-to-the-bitcoin-network\">A Massive Quantum Threat to the Bitcoin Network?<\/h2>\n\n\n\n<p>In a recent video addressed to <a href=\"https:\/\/investx.fr\/en\/crypto-investing\/buy\/bitcoin\/\">Bitcoin<\/a> maximalists, Charles Hoskinson highlighted a critical vulnerability. According to him, as of March 1, 2026, over <strong>34% of the total Bitcoin supply<\/strong> has had its public key exposed on the blockchain. This flaw primarily stems from address reuse or the use of legacy wallet formats (P2PK). This leaves approximately <strong>8 million BTC<\/strong> at the mercy of a quantum attack.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">JUST IN: <a href=\"https:\/\/twitter.com\/hashtag\/Cardano?src=hash&amp;ref_src=twsrc%5Etfw\">#Cardano<\/a> <a href=\"https:\/\/twitter.com\/search?q=%24ADA&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$ADA<\/a> Founder Charles Hoskinson on BIP-361, says &quot;it was a good day for me, because it&#39;s a confirmation of every single thing I&#39;ve been saying for a long time, and this industry finally has to wake up a little bit. 34% of the entire (BTC) supply is vulnerable.&quot; <a href=\"https:\/\/t.co\/l975HB06xs\">pic.twitter.com\/l975HB06xs<\/a><\/p>&mdash; Angry Crypto Show (@angrycryptoshow) <a href=\"https:\/\/twitter.com\/angrycryptoshow\/status\/2044533601866232232?ref_src=twsrc%5Etfw\">April 15, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>These coins, originating from legacy addresses (P2PKH or P2PK) or address reuse, could be <strong>stolen in a matter of hours by a sufficiently powerful quantum computer<\/strong>. Hoskinson therefore speaks of a concrete risk, not a hypothetical one.<\/p>\n\n\n\n<p>Far from being a sci-fi scenario, Hoskinson estimates that sufficiently powerful quantum computers <strong>will emerge in the 2030s<\/strong>. He even quipped about the subject, stating that this threat will strike with full force.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"the-quantum-threat-what-it-really-means\">The Quantum Threat: What It Really Means<\/h2>\n\n\n\n<p>To explain this threat that has been growing for several years, imagine your Bitcoin private key is an ultra-secure padlock. Traditionally, to crack it using the public key (which everyone sees when you spend funds), it would take billions of years of calculations on the best supercomputers. This is the <strong>Elliptic Curve Discrete Logarithm Problem<\/strong> (ECDLP), the mathematical foundation of the ECDSA used by Bitcoin on the secp256k1 curve.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/5\/2026\/04\/16124003\/image-10-3-1024x559-1.jpg\" alt=\"Charles Hoskinson speaking about Bitcoin and quantum computing\" class=\"wp-image-28402\" srcset=\"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/5\/2026\/04\/16124003\/image-10-3-1024x559-1.jpg 1024w, https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/5\/2026\/04\/16124003\/image-10-3-1024x559-1-300x164.jpg 300w, https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/5\/2026\/04\/16124003\/image-10-3-1024x559-1-768x419.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Source: Medium<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Formally: the public key <em>Q<\/em> is calculated as <em>Q = d \u00d7 G<\/em>, where <em>d<\/em> is your secret private key (a 256-bit number) and <em>G<\/em> is a fixed point on the elliptic curve. Finding <em>d<\/em> from <em>Q<\/em> and <em>G<\/em> is exponentially difficult in classical computing (complexity of ~2\u00b9\u00b2\u2078 operations).<\/p>\n\n\n\n<p>However, in 1994, mathematician <strong>Peter Shor<\/strong> invented a quantum algorithm that solves this problem in <strong>polynomial time<\/strong>: O((log N)\u00b3), where N is the size of the number. On a fault-tolerant quantum computer (with thousands of stable logical qubits), it only takes a few hours to find <em>d<\/em>. Once the private key is known, the attacker can sign any transaction and drain the wallet.<\/p>\n\n\n\n<p>Furthermore, <strong>Grover&#8217;s algorithm<\/strong> (another quantum tool) also accelerates SHA-256 hash searches. Ultimately, the ~34% of BTC whose public keys have already been revealed (during a spend or in legacy formats) become easy targets for quantum computers.<\/p>\n\n\n\n<p>The <strong>1.7 million BTC in pure P2PK<\/strong> (including part of Satoshi&#8217;s stash) are even more critical: their public keys have been literally <strong>engraved on-chain since 2009-2010.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"is-the-rescue-plan-bip-361-doomed-to-fail\">Is the Rescue Plan (BIP-361) Doomed to Fail?<\/h2>\n\n\n\n<p>Faced with this emergency, a Bitcoin Improvement Proposal, BIP-361, is currently circulating. Its goal is to freeze vulnerable funds and force a migration to post-quantum addresses. However, Hoskinson strongly criticized this initiative. According to him, this upgrade would require a <strong>hard fork<\/strong>, a radical code modification that the Bitcoin community has always rejected on principle.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/5\/2026\/04\/16124007\/image-10-4-1024x559-1.jpg\" alt=\"Illustration of a quantum computer potentially attacking Bitcoin\" class=\"wp-image-28404\" srcset=\"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/5\/2026\/04\/16124007\/image-10-4-1024x559-1.jpg 1024w, https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/5\/2026\/04\/16124007\/image-10-4-1024x559-1-300x164.jpg 300w, https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/5\/2026\/04\/16124007\/image-10-4-1024x559-1-768x419.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Source: Medium<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Even more concerning, the proposed recovery system using Zero-Knowledge Proofs only works for wallets based on the BIP-39 standard, introduced in 2013. As a result, approximately 1.7 million <a href=\"https:\/\/investx.fr\/en\/learn\/crypto\/bitcoin\/halving-date\/\">Bitcoins<\/a>, including the famous stash of <strong>Satoshi Nakamoto<\/strong>, would be lost forever. Such a loss of liquidity could paradoxically create a supply shock, but the psychological impact would leave a deep scar.<\/p>\n\n\n\n<p>Hoskinson points out that developers understand the stakes, but current solutions are inadequate. If the network fails to agree on a smooth transition, user trust could collapse, shattering any hope of a major new bull run beyond 2030.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"will-bitcoin-survive-this-technological-revolution\">Will Bitcoin Survive This Technological Revolution?<\/h2>\n\n\n\n<p>Peter Shor himself (the inventor of the algorithm) and most top-tier cryptographers (those working at Google, Microsoft, or NIST) are unanimous: <strong>the mathematical threat is real and inevitable<\/strong>.<\/p>\n\n\n\n<p>And the evidence has been there for 30 years. The only debate is about engineering. Indeed, it requires <strong>millions of error-corrected physical qubits<\/strong> to run Shor&#8217;s algorithm on a 256-bit curve. DARPA timelines estimate a &#8220;useful&#8221; quantum computer around 2033-2035.<\/p>\n\n\n\n<p>What is a difficult problem for classical computers is &#8220;easy&#8221; for a quantum computer. Even though Bitcoin is not doomed (it can migrate to post-quantum signatures such as lattice-based or hash-based ones), decentralization <strong>makes consensus extremely slow.<\/strong><\/p>\n\n\n\n<p><strong>Sources:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/coinpedia.org\/news\/charles-hoskinson-says-34-of-bitcoin-could-be-stolen-by-quantum-computers-in-2030s\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Coinpedia<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/x.com\/angrycryptoshow\/status\/2044533601866232232\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Angry Crypto<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@ashutoshpanda.india\/quantum-computing-breaking-the-foundation-of-digital-security-9cd4e150a1a6\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Medium<\/a><\/li>\n<\/ul>\n\n\n\n<p><strong>Related Articles:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/investx.fr\/en\/crypto-news\/xrp-price-prediction\/\">Why XRP could explode to $100: Analyst reveals shocking prediction<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/investx.fr\/en\/crypto-news\/arthur-hayes-bitcoin-hype\/\">Arthur Hayes bets on HYPE: Bitcoin stalled by AI and Iran conflict<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/investx.fr\/en\/crypto-news\/dogecoin-price-10-cents-analysis\/\">Dogecoin soars: Can it break through 10 cents?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Charles Hoskinson highlights the threat of quantum computers to Bitcoin. Learn how 34% of Bitcoin could be at risk and what it means for the crypto market.<\/p>\n","protected":false},"author":32,"featured_media":28406,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"quantum computers bitcoin","_yoast_wpseo_title":"Bitcoin at risk: Hoskinson's quantum warning","_yoast_wpseo_metadesc":"Charles Hoskinson highlights the threat of quantum computers to Bitcoin. Learn how 34% of Bitcoin could be at risk and what it means.","footnotes":"","faq_titre":"","questions_frequentes":"","custom_permalink":"crypto-news\/bitcoin-quantum-computers-hoskinson"},"categories":[12,10],"tags":[],"class_list":["post-28407","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin","category-crypto-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bitcoin at risk: Hoskinson&#039;s quantum warning<\/title>\n<meta name=\"description\" content=\"Charles Hoskinson highlights the threat of quantum computers to Bitcoin. 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Je suis \u00e9galement form\u00e9 au trading et \u00e0 l\u2019analyse technique depuis plus d\u2019un an sur le march\u00e9 des cryptomonnaies, mais \u00e9galement sur le forex et les m\u00e9taux pr\u00e9cieux comme l\u2019or ou le silver. J\u2019ai obtenu un dipl\u00f4me de la Crypto Academy sur les fondamentaux techniques du Bitcoin et poss\u00e8de une exp\u00e9rience de plus de 5 ans dans le journalisme et l\u2019\u00e9criture d\u2019articles p\u00e9dagogiques. J\u2019ai notamment \u00e9crit de nombreuses masterclass pour \u00e9duquer les nouveaux venus dans l'industrie et plus de 10 000 articles et news.J\u2019ai \u00e9galement pu interviewer de nombreux fondateurs et cr\u00e9ateurs de projets dans la crypto comme Marc Lebreton (chef marketing de la blockchain SUI), EJ Ayala (Coinbase US et Draftkings), et d\u2019autres projets comme Polyhedra (Eric Vreeland), Usual (Adli Takkal Bataille), ou encore Humanity Protocol (Jade Gu). J\u2019ai plong\u00e9 dans la cryptomonnaie il y a plus de 3 ans et continue de mettre tout en \u0153uvre pour fournir du contenu de qualit\u00e9, avec de l\u2019expertise et la neutralit\u00e9 attendue d\u2019un journaliste. Retrouvez moi aussi sur X pour des analyses et sur Linkedin pour me contacter.","sameAs":["https:\/\/www.linkedin.com\/in\/charles-ledoux-508392239\/","https:\/\/x.com\/charl3li"],"url":"https:\/\/investx.fr\/en\/author\/charles-ledoux\/"}]}},"_links":{"self":[{"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/posts\/28407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/comments?post=28407"}],"version-history":[{"count":1,"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/posts\/28407\/revisions"}],"predecessor-version":[{"id":28410,"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/posts\/28407\/revisions\/28410"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/media\/28406"}],"wp:attachment":[{"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/media?parent=28407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/categories?post=28407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/investx.fr\/en\/wp-json\/wp\/v2\/tags?post=28407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}