{"id":75316,"date":"2026-07-13T00:52:47","date_gmt":"2026-07-13T00:52:47","guid":{"rendered":"https:\/\/crowdfundjunction.com\/blog\/8-billion-bitcoin-attack-could-become-profitable-through-derivatives-duke-professor-says\/"},"modified":"2026-07-13T00:52:47","modified_gmt":"2026-07-13T00:52:47","slug":"8-billion-bitcoin-attack-could-become-profitable-through-derivatives-duke-professor-says","status":"publish","type":"post","link":"https:\/\/crowdfundjunction.com\/blog\/8-billion-bitcoin-attack-could-become-profitable-through-derivatives-duke-professor-says\/","title":{"rendered":"$8 Billion Bitcoin Attack Could Become Profitable Through Derivatives, Duke Professor Says"},"content":{"rendered":"<p><b>(Originally posted on : Bitcoin News )<\/b><br \/>\n<\/p>\n<div>\n<div class=\"@container mb-[25px] rounded-sm overflow-clip py-0.5 pr-0.5 pl-2.5 bg-success-100\">\n<div class=\"flex flex-col gap-m overflow-clip rounded-[6px] !bg-success-10 p-3 @[420px]:p-m\">\n<h2 class=\"m-0 flex items-center gap-s text-[19px] !text-[#1c1c1c] md:text-[20px]\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"10\" viewbox=\"0 0 16 10\" fill=\"none\" class=\"shrink-0 text-success-100\" aria-hidden=\"true\"><path d=\"M1 1.5h14\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\"\/><path d=\"M1 8.5h10\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\"\/><\/svg><span>Key Takeaways<\/span><\/h2>\n<ul class=\"m-0 flex list-none flex-col gap-m pl-0\">\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">Campbell Harvey says an $8 billion 51% attack could pair Bitcoin hashpower with shorts.<\/span><\/li>\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">Duke University\u2019s model puts the cost near 0.5% of bitcoin\u2019s value, challenging market assumptions.<\/span><\/li>\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">In 2026, bitcoin miners and exchanges face questions over how they would counter such an attack.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p>Harvey outlined the argument on Scott Melker\u2019s <a href=\"https:\/\/x.com\/scottmelker\/status\/2076335782256857150?s=20\" target=\"_blank\" rel=\"noopener noreferrer\">\u201cThe Wolf of All Streets\u201d podcast<\/a>, describing a theoretical operation in which a well-funded group spends about $8 billion to gain majority control of <span>Bitcoin<\/span>\u2019s computing power while building a large short position against the asset. The episode appeared on X. The proposal centers on a 51% attack, a risk embedded in <span>Bitcoin<\/span>\u2019s design since Satoshi Nakamoto published the network\u2019s <a href=\"https:\/\/www.bitcoin.com\/bitcoin.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">white paper<\/a> in 2008.<\/p>\n<h2>A Risk Known From Bitcoin\u2019s Beginning<\/h2>\n<p>An entity controlling more than half of the network\u2019s hashpower could produce blocks faster than honest miners, create the longest valid chain, and influence which transaction history <span>nodes<\/span> accept. Such an attack could enable double-spending, transaction censorship or the reorganization of recent blocks. It would not allow an attacker to create unlimited <span>bitcoin<\/span> or seize coins without valid signatures, but it could damage the network\u2019s credibility by showing that its transaction record could be manipulated by concentrated computing power.<\/p>\n<p>For years, the prevailing economic argument against the scenario has been fairly straightforward. An attacker would need to buy or control enormous quantities of specialized mining equipment, secure data center capacity, and consume vast amounts of electricity. A successful attack could then have a strong chance at destroying confidence in <span>BTC<\/span>, pushing down the value of the very asset needed to recover those costs.<\/p>\n<p>Harvey said that logic made the attack difficult to justify except as an act of geopolitical sabotage. \u201cWhy would you spend billions of dollars investing in mining equipment?\u201d he asked. \u201cYou spend all this money, and then you take over the network, but the price of <span>bitcoin<\/span> would collapse to zero.\u201d His thesis is that derivatives markets have changed the calculation. \u201cThe difference today is the derivatives markets,\u201d Harvey remarked on Melker\u2019s show, pointing to liquid offshore venues where traders can establish short positions that gain value when <span>bitcoin<\/span> falls.<\/p>\n<h2>How the Trade and Attack Would Work Together<\/h2>\n<p>Under Harvey\u2019s model, the attacker would quietly assemble mining hardware and supporting infrastructure while opening a substantial short position in <span>bitcoin<\/span>. The network attack would then be used to undermine confidence, pressure the price, and increase the value of the short.<\/p>\n<p>\u201cThe cost is about 50 basis points of the value of <span>bitcoin<\/span>,\u201d Harvey told \u201cThe Wolf of All Streets\u201d podcast host, referring to roughly 0.5% under the assumptions discussed in his work. He placed the attack cost near $8 billion in the podcast, although estimates depend on hardware prices, energy costs, network <span>hashrate<\/span> and the duration of the attempted takeover.<\/p>\n<p>The attack and the financial trade are inseparable in this framework. Mining rewards would not need to repay the investment. Instead, profits from the derivatives position could offset the cost of equipment, construction and electricity. Harvey stressed that an attacker would \u201csimultaneously during the attack take a short position in <span>bitcoin<\/span>,\u201d making a severe price decline the intended source of repayment.<\/p>\n<p>Harvey also argued that the market impact could begin before any attack. A consortium announcing plans to build a mining operation large enough to threaten the network could create fear, weaken sentiment and pressure prices even if the group never gained majority control.<\/p>\n<h2>Practical Barriers Remain Substantial<\/h2>\n<p>The scenario is theoretical, and Harvey did not claim an attack is imminent. Building enough capacity would require access to billions of dollars, large supplies of advanced mining machines, extensive power infrastructure, and coordinated execution. Those preparations could become visible through semiconductor orders, data center construction, electricity agreements, or unusual derivatives activity.<\/p>\n<p> <span>Bitcoin<\/span> also has defensive options outside the narrow mechanics of the longest-chain rule. Exchanges could limit suspicious positions, miners could redirect computing power, and developers and users could coordinate software changes or reject an attacker\u2019s chain. Any such response could be disruptive, politically contentious, and difficult to organize quickly, but it complicates the assumption that an attacker could operate without resistance.<\/p>\n<p>Harvey contrasted <span>bitcoin<\/span> with <span>gold<\/span>, arguing that <span>gold<\/span> has no comparable network mechanism that could be captured to rewrite ownership history or halt transaction processing. His broader conclusion is not that <span>BTC<\/span> is certain to fail, but that investors should treat network control and derivatives incentives as a distinct tail risk when comparing <span>BTC<\/span> with traditional stores of value.<\/p>\n<h2>Melker Pushes Back on Specific Scenarios<\/h2>\n<p>Melker pushed back some after Harvey laid out the thesis. His pushback focused on execution rather than dismissing Harvey\u2019s financial logic. He argued that an $8 billion mining buildup would be \u201cpretty highly telegraphed,\u201d since acquiring enough application-specific integrated circuit (ASIC) miners, data center space, and electricity to approach 51% of <span>Bitcoin<\/span>\u2019s total hashpower would leave a visible trail.<\/p>\n<p>Manufacturers, power providers, mining companies, and market participants could detect the expansion before it reached operational scale, giving miners, exchanges, developers, and users time to prepare technical or economic responses. Melker also questioned whether a successful attack would drive <a href=\"https:\/\/www.binance.com\/en\/price\/bitcoin\" class=\"lar_link lar_link_outgoing\" target=\"_blank\" rel=\"noopener noreferrer\">bitcoin<\/a> close enough to zero for the short position to recover billions of dollars in costs.<\/p>\n<p>He noted that other proof-of-work ( <a href=\"http:\/\/www.bitcoin.com\/get-started\/what-is-proof-of-work\/\" class=\"lar_link lar_link_outgoing\" target=\"_blank\" rel=\"noopener noreferrer\">PoW<\/a>) networks have survived 51% attacks and said the project would involve \u201cthe mining, the setup, the time, the electricity and a lot of other factors.\u201d Harvey responded that his estimate accounted for equipment, infrastructure, power, wear, and higher ASIC prices caused by increased demand. Melker nevertheless concluded that the derivatives-based motive was worth examining, calling it \u201cmerely a financial motive\u201d that could turn network sabotage into an economic calculation.<\/p>\n<p><iframe loading=\"lazy\" title=\"How Bitcoin Can Be Killed For $8 Billion \u2013 Duke\u2019s Cam Harvey\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/0HlpZKXFVYg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>For markets, the thesis raises questions that extend beyond mining. It asks whether offshore <a href=\"http:\/\/www.bitcoin.com\/get-started\/what-is-leverage-in-crypto-trading\/\" class=\"lar_link lar_link_outgoing\" target=\"_blank\" rel=\"noopener noreferrer\">leverage<\/a>, concentrated infrastructure, and financial engineering can create incentives that <a href=\"https:\/\/www.binance.com\/en\/price\/bitcoin\" class=\"lar_link lar_link_outgoing\" target=\"_blank\" rel=\"noopener noreferrer\">Bitcoin<\/a>\u2019s original security model did not fully anticipate. If Harvey\u2019s thesis has legs, the central issue is no longer only whether a 51% attack is technically possible, but whether modern markets could make one economically rational.<\/p>\n<\/p><\/div>\n<p><a href=\"https:\/\/news.bitcoin.com\/8-billion-bitcoin-attack-could-become-profitable-through-derivatives-duke-professor-says\/\">Source link <\/a><br \/>\n<br \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Originally posted on : Bitcoin News ) Key Takeaways Campbell Harvey says an $8 billion 51% attack could pair Bitcoin hashpower with shorts. Duke University\u2019s model puts the cost near 0.5% of bitcoin\u2019s value, challenging market assumptions. In 2026, bitcoin miners and exchanges face questions over how they would counter such an attack. Harvey outlined [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":75317,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[32],"tags":[],"_links":{"self":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts\/75316"}],"collection":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/comments?post=75316"}],"version-history":[{"count":0,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts\/75316\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/media\/75317"}],"wp:attachment":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/media?parent=75316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/categories?post=75316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/tags?post=75316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}