Harvey outlined the argument on Scott Melker’s “The Wolf of All Streets” podcast, describing a theoretical operation in which a well-funded group spends about $8 billion to gain majority control of Bitcoin’s 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 Bitcoin’s design since Satoshi Nakamoto published the network’s white paper in 2008.
An entity controlling more than half of the network’s hashpower could produce blocks faster than honest miners, create the longest valid chain, and influence which transaction history nodes 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 bitcoin or seize coins without valid signatures, but it could damage the network’s credibility by showing that its transaction record could be manipulated by concentrated computing power.
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 $BTC, pushing down the value of the very asset needed to recover those costs.
Harvey said that logic made the attack difficult to justify except as an act of geopolitical sabotage. “Why would you spend billions of dollars investing in mining equipment?” he asked. “You spend all this money, and then you take over the network, but the price of bitcoin would collapse to zero.” His thesis is that derivatives markets have changed the calculation. “The difference today is the derivatives markets,” Harvey remarked on Melker’s show, pointing to liquid offshore venues where traders can establish short positions that gain value when bitcoin falls.
Under Harvey’s model, the attacker would quietly assemble mining hardware and supporting infrastructure while opening a substantial short position in bitcoin. The network attack would then be used to undermine confidence, pressure the price, and increase the value of the short.
The cost is about 50 basis points of the value of bitcoin,” Harvey told “The Wolf of All Streets” 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 hashrate and the duration of the attempted takeover.
He noted that other proof-of-work ( PoW) networks have survived 51% attacks and said the project would involve “the mining, the setup, the time, the electricity and a lot of other factors.” 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 “merely a financial motive” that could turn network sabotage into an economic calculation.
For markets, the thesis raises questions that extend beyond mining. It asks whether offshore leverage, concentrated infrastructure, and financial engineering can create incentives that Bitcoin’s original security model did not fully anticipate. If Harvey’s 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.
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