Fortitude has agreed to acquire 9,000 Bitmain Antminer Z15 Pro machines for about $31.5 million, a deal that would lift the company’s Zcash mining capacity by 145% and potentially give it control of more than half of the network’s current computing power.
The Equihash application-specific integrated circuit, or ASIC, miners are expected to add 7.56 gigasolutions per second (GSol/s) to Fortitude’s hashrate. Once fully installed, the company’s disclosed fleet would reach roughly 12.8 GSol/s, compared with a Zcash network hashrate near 24 GSol/s.
That calculation places Fortitude on course to become an unusually large participant in a proof-of-work network where mining power remains concentrated among specialist operators. Its eventual share will depend on whether competing miners add comparable capacity before Fortitude’s machines are switched on.
Bitmain is scheduled to deliver 3,000 Z15 Pro units in October and the remaining 6,000 machines in November. Fortitude plans to deploy the hardware across more than 60 megawatts of contracted power capacity at seven sites in South Dakota, Nebraska, Texas and New York.
New hardware follows Nebraska expansion
The mining-equipment purchase follows the energizing of a 12 MW facility in Grand Island, Nebraska. Fortitude has said the site should reduce its direct Zcash production costs from about $70 to $40 per coin, improving the economics of its operations if power costs and machine performance remain in line with expectations.
At a ZEC price of $475, that cost estimate would leave a wide gross margin before corporate expenses, equipment depreciation, financing costs and other overhead. ZEC had retreated to that level after reaching a local high near $675 in May, showing how quickly mining revenue can shift even when a company’s operating costs are relatively stable.
The 9,000-machine order works out to about $3,500 per unit based on the stated $31.5 million purchase price. The supplied terms do not establish whether the price includes a volume discount, shipping, hosting equipment, warranties or other services, making it difficult to compare directly with other large ASIC purchases.
Fortitude’s planned deployment also presents a practical constraint on the expansion. Mining capacity only translates into hashrate once machines are delivered, installed, connected to power and operating reliably. A November delivery schedule means the full impact on the Zcash network would likely emerge progressively rather than in a single step.
A growing claim on Zcash block rewards
Fortitude reported mining 72,696 ZEC during the first half of 2026, equal to about 28% of total Zcash production over that period. At $475 per ZEC, those coins would be worth roughly $34.5 million at current market prices, though the company’s realized revenue depends on when it sold or retained mined tokens.
The company said Zcash accounted for 61% of mining revenue in the first quarter, placing the privacy-focused cryptocurrency at the center of its operating model. The new equipment order would deepen that exposure rather than diversify it, tying a larger share of Fortitude’s production capacity to ZEC prices, Zcash mining difficulty and the network’s block-reward schedule.
A large increase in Fortitude’s hashrate would also affect other miners’ expected returns. Zcash distributes block rewards according to the share of network computing power each participant contributes. If Fortitude’s fleet reaches its projected 12.8 GSol/s while total network capacity stays near 24 GSol/s, its machines would capture a substantially larger portion of available rewards, while competitors with unchanged hardware would receive less on average.
That outcome is not guaranteed. Mining hashrate is dynamic, and rising profitability can encourage other operators to activate idle machines, expand facilities or redirect compatible equipment. A higher network hashrate would dilute Fortitude’s eventual share, while a decline in competing capacity would strengthen it.
Public-listing plans add pressure to execution
Fortitude is a wholly owned subsidiary of Digital Currency Group and is preparing to go public through a proposed merger with HeartSciences. The combined company is expected to seek a Nasdaq listing under the ticker TUDE, subject to shareholder and regulatory approvals.
The transaction gives Fortitude a route toward public-market financing while its capital needs are rising. The $31.5 million hardware order, power contracts across four states and new Nebraska facility require substantial spending before the added machines begin generating coins. Delivering the deployment on schedule would therefore matter both to the mining business and to the company’s case for a public listing.
HeartSciences has revised its agreement-related legal paperwork, including provisions affecting shareholder voting rules, according to the materials provided. The company is seeking to complete the exchange listing before the end of the year, although timing remains dependent on the merger process and required approvals.
ZEC’s price remains central to the expansion
Zcash’s market capitalization recently exceeded $7.9 billion, based on the figures provided, following its rise to the May high. The subsequent fall to $475 leaves the token well below that peak but still at a level that supports Fortitude’s stated production-cost assumptions.
For Fortitude, the hardware purchase is a concentrated wager on whether it can convert low-cost electricity and new-generation Equihash machines into a durable share of Zcash issuance. The planned fleet size would give the company far greater influence over block production economics, while also making its earnings more sensitive to a single network’s price and competitive mining conditions.
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