{"id":571729,"date":"2026-10-13T15:20:26","date_gmt":"2026-10-13T14:20:26","guid":{"rendered":"https:\/\/cryptoslate.com\/?p=571729"},"modified":"2026-10-13T12:48:14","modified_gmt":"2026-10-13T11:48:14","slug":"bitcoins-quantum-safe-protection-gets-82-cheaper-as-researchers-race-to-secure-6-million-exposed-btc","status":"publish","type":"post","link":"https:\/\/cryptoslate.com\/bitcoins-quantum-safe-protection-gets-82-cheaper-as-researchers-race-to-secure-6-million-exposed-btc\/","title":{"rendered":"Bitcoin&#8217;s quantum-safe protection gets 82% cheaper as researchers race to secure 6 million exposed BTC"},"content":{"rendered":"<p>Researchers have cut the estimated computing cost of a specialized quantum-safe <a href=\"https:\/\/cryptoslate.com\/coins\/bitcoin\/\">Bitcoin<\/a> transaction by 82% to $59.<\/p>\n<p>Data from the Quantum-Safe Bitcoin Optimization <a href=\"https:\/\/www.yukon.org\/qsb\">Challenge<\/a> showed that improvements in graphics processing software reduced the projected expense from approximately $320 during StarkWare's first mainnet demonstration in August to $67 in September and $59 as of Oct. 13.<\/p>\n<p>The breakthrough could make a specialized Bitcoin protection method more affordable as developers seek ways to safeguard cryptocurrency holdings against future quantum computers without waiting for changes to the network's underlying protocol.<\/p>\n<p>The public <a href=\"https:\/\/x.com\/StarkWareLtd\/status\/2109651036465934723\">competition<\/a>, organized by StarkWare, Yukon Research, and Eigen Labs, used AI-assisted coding tools to accelerate the computational searches required for the transactions.<\/p>\n<p>Its latest benchmark recorded more than 1 billion verified candidates per second on an Nvidia RTX 4090 GPU, up from an initial rate of approximately 146 million.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter shoggoth-infographic shoggoth-infographic-portrait wp-image-571744\" src=\"https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/exec-51263aaa-fb0e-425c-89b5-61be11b98b59.png\" alt=\"QSB funding-to-spend flow: create and conventionally sign a special output, confirm funding, run a GPU search estimated at $59 under a simulated 100 RTX 3090 model, and use an accepting miner. Exposed conventional keys remain vulnerable to a future quantum attacker; miner fees are separate and production savings remain unmeasured.\" width=\"720\" height=\"900\" srcset=\"https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/exec-51263aaa-fb0e-425c-89b5-61be11b98b59.png 1122w, https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/exec-51263aaa-fb0e-425c-89b5-61be11b98b59-240x300.png 240w, https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/exec-51263aaa-fb0e-425c-89b5-61be11b98b59-819x1024.png 819w, https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/exec-51263aaa-fb0e-425c-89b5-61be11b98b59-768x960.png 768w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>However, the $59 figure remains a hardware-dependent estimate based on simulated GPU workloads rather than a completed production transaction. <a href=\"https:\/\/cryptoslate.com\/the-next-bitcoin-drawdown-will-expose-which-crypto-fees-are-real\/\">Bitcoin network fees<\/a> are separate, while some computing stages still rely on provisional assumptions.<\/p>\n<p>StarkWare said the improvements make its proposed emergency protection method considerably cheaper to prepare, with researchers now targeting a computing cost below $10.<\/p>\n<h2>Quantum computing advances intensify Bitcoin security race<\/h2>\n<p>The development builds on research by StarkWare's Avihu Levy, who demonstrated in August that Bitcoin could support a quantum-resistant spending arrangement under its existing consensus rules.<\/p>\n<p>Known as <a href=\"https:\/\/cryptoslate.com\/bitcoin-now-has-a-quantum-computing-escape-route-but-7-million-btc-may-still-be-exposed\/\">Quantum-Safe Bitcoin (QSB)<\/a>, the method uses hash-based cryptography and a computational puzzle to secure specially prepared Bitcoin holdings against attacks on conventional digital signatures.<\/p>\n<p>The approach lets holders do the required calculations off-chain before spending their coins, potentially offering protection while developers work on broader changes to <a href=\"https:\/\/cryptoslate.com\/bitcoins-7-million-coin-quantum-problem-just-reached-the-us-treasury\/\">Bitcoin's cryptographic infrastructure.<\/a><\/p>\n<p>That research has gained urgency as advances in quantum computing challenge previous estimates of how much computing power attackers would need to compromise cryptocurrency security.<\/p>\n<p>In March, <a href=\"https:\/\/research.google\/blog\/safeguarding-cryptocurrency-by-disclosing-quantum-vulnerabilities-responsibly\/\">Google Quantum AI<\/a> reported that future quantum computers could break the elliptic-curve cryptography used by Bitcoin with substantially fewer resources than previously estimated.<\/p>\n<p>Its researchers calculated that certain attacks could theoretically complete in minutes using fewer than 500,000 physical qubits under specified hardware assumptions, a roughly 20-fold reduction from earlier estimates.<\/p>\n<p>Although such machines remain beyond publicly demonstrated capabilities, the findings have increased<a href=\"https:\/\/cryptoslate.com\/europol-urges-crypto-to-prepare-wallet-upgrades-now-warning-migration-could-take-years\/\"> pressure on blockchain developers<\/a> to prepare before <a href=\"https:\/\/cryptoslate.com\/bitcoin-may-go-quantum-safe-while-lightning-privacy-stays-exposed\/\">quantum attacks<\/a> become practical.<\/p>\n<p>The potential exposure is substantial.<\/p>\n<p>According to a <a href=\"https:\/\/research.glassnode.com\/measuring-bitcoins-quantum-exposed-supply\/\">study<\/a> by Glassnode, approximately 6.04 million BTC, representing 30.2% of Bitcoin's issued supply at the time, had public keys already visible on-chain.<\/p>\n<p>The figure included 1.92 million BTC exposed through their underlying address structures and another 4.12 million BTC exposed through practices such as address reuse and previous spending activity.<\/p>\n<p>A sufficiently powerful <a href=\"https:\/\/cryptoslate.com\/latest-quantum-computer-breaks-the-math-behind-bitcoin-headlines-massively-exaggerate-risk\/\">quantum attacker could theoretically derive private keys<\/a> from those exposed public keys and gain control of the associated coins.<\/p>\n<p>The threat has fueled debate over how quickly Bitcoin should adopt quantum-resistant cryptography, particularly given the complexity of introducing changes across a decentralized network.<\/p>\n<p>QSB could offer an interim option, but it protects only eligible coins whose conventional public keys remain hidden until they are moved into specially constructed outputs.<\/p>\n<p>That requirement leaves already-exposed holdings vulnerable if a capable quantum attacker emerges before owners can complete a secure migration.<\/p>\n<p>The method also faces practical deployment restrictions. Although QSB transactions comply with Bitcoin's consensus rules, ordinary network relay policies reject them, requiring direct submission to miners willing to process them.<\/p>\n<p>MARA's Slipstream service provided that route during the August demonstration.<\/p>\n<p>Still, StarkWare continues to favor a broader Bitcoin protocol upgrade for long-term protection. Researchers must now demonstrate the latest computing savings in complete transactions and establish dependable miner access before QSB can become a practical fallback for holders.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cheaper GPU computation supports specially prepared QSB spends, while conventional funding signatures and direct miner access limit practical use.<\/p>\n","protected":false},"author":720,"featured_media":571767,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77968,80837,77921,37],"tags":[81073,76769,78295,75195,77485],"prediction_market_topic":[],"post_folder":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.9 (Yoast SEO v21.9.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bitcoin&#039;s quantum-safe protection gets 82% cheaper as researchers race to secure 6 million exposed BTC<\/title>\n<meta name=\"description\" content=\"Bitcoin&#039;s experimental quantum-resistant transaction method has become an estimated $261 cheaper to compute since August.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cryptoslate.com\/bitcoins-quantum-safe-protection-gets-82-cheaper-as-researchers-race-to-secure-6-million-exposed-btc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bitcoin&#039;s quantum-safe protection gets 82% cheaper as researchers race to secure 6 million exposed BTC\" \/>\n<meta property=\"og:description\" content=\"Bitcoin&#039;s experimental quantum-resistant transaction method has become an estimated $261 cheaper to compute since August.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cryptoslate.com\/bitcoins-quantum-safe-protection-gets-82-cheaper-as-researchers-race-to-secure-6-million-exposed-btc\/\" \/>\n<meta property=\"og:site_name\" content=\"CryptoSlate\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-13T14:20:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-13T11:48:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/bitcoin-qsb-transition-risk.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Oluwapelumi Adejumo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@cryptoslate\" \/>\n<meta name=\"twitter:site\" content=\"@cryptoslate\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Oluwapelumi Adejumo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\/\/cryptoslate.com\/bitcoins-quantum-safe-protection-gets-82-cheaper-as-researchers-race-to-secure-6-million-exposed-btc\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/cryptoslate.com\/bitcoins-quantum-safe-protection-gets-82-cheaper-as-researchers-race-to-secure-6-million-exposed-btc\/\"},\"author\":{\"@type\":\"Person\",\"@id\":\"https:\/\/cryptoslate.com\/author\/oluwapelumi-adejumo\/#person\",\"name\":\"Oluwapelumi Adejumo\",\"url\":\"https:\/\/cryptoslate.com\/author\/oluwapelumi-adejumo\/\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/cryptoslate.com\/author\/oluwapelumi-adejumo\/\"},\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/cryptoslate.com\/author\/oluwapelumi-adejumo\/#authorimage\",\"url\":\"https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/profile-oluwapelumi-adejumo-1-300x300.jpg\",\"contentUrl\":\"https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/profile-oluwapelumi-adejumo-1-300x300.jpg\",\"caption\":\"Oluwapelumi Adejumo\"},\"jobTitle\":\"Senior Reporter\",\"description\":\"Oluwapelumi values Bitcoin's potential. 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