CryptoSlate
Fortitude Mining sold 5,790.4798 borrowed ZEC for about $8.3 million after drawing roughly $8.4 million under a facility from parent company Digital Currency Group. The October 5 disclosure said the loan is denominated and repayable in US dollars, so Fortitude does not need to repurchase the same number of ZEC to settle it.
Fortitude also has a definitive agreement for 9,000 BITMAIN Antminer Z15 Pros priced at $3,499 each, or approximately $31.5 million. The contract schedules 3,000 units for October shipment and 6,000 for November. A separate arrangement for up to $100 million of next-generation equipment remains indicative and nonbinding, with shipments expected to begin in the second quarter of 2027.
Why it matters
The financing route separates mining expansion from immediate spot demand for ZEC. Fortitude can borrow coins, liquidate them for dollars and use the proceeds for equipment or other costs while retaining a dollar repayment obligation. The company said it planned a further $20 million draw in ZEC to fund a refundable deposit for the separate next-generation equipment arrangement, but that step was prospective in the October 5 disclosure.
The hardware order creates a different market effect. More operating machines would compete for the same protocol-defined block subsidy. Zcash’s current total subsidy is 1.5625 ZEC per block, with miners receiving 1.25 ZEC plus transaction fees. Higher network work can therefore reduce each unchanged miner’s share without increasing scheduled per-block issuance.
Market impact
Using a 30.2-GSol/s network estimate, the source’s scenarios show expected output for an unchanged existing miner falling about 7.7% with 3,000 additional Z15 Pros and about 20.0% with all 9,000 machines operating. Those estimates assume full uptime, no other entries or exits and unchanged subsidy conditions.
Fortitude’s economics remain sensitive to both ZEC’s price and network competition. At $1,236.60 ZEC and $0.08 per kWh, a continuously running Z15 Pro would produce an estimated $49.53 in daily subsidy revenue and leave $44.19 after electricity, before fees, capital costs and other expenses.
Frequently asked questions
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How did Fortitude raise cash for its mining expansion?
Fortitude drew roughly $8.4 million in borrowed ZEC from a Digital Currency Group facility and sold 5,790.4798 ZEC for about $8.3 million. The facility is denominated and repayable in US dollars.
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How many mining machines has Fortitude ordered?
Fortitude has a definitive agreement for 9,000 BITMAIN Antminer Z15 Pros priced at $3,499 each, or approximately $31.5 million. The contract schedules 3,000 shipments in October and 6,000 in November.
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Could Fortitude’s new rigs reduce other miners’ ZEC output?
Yes. If additional machines operate while incumbent mining work remains unchanged, each incumbent’s share of rewards falls after difficulty adjusts. The scenarios estimate declines of about 7.7% with 3,000 added rigs and about 20% with all 9,000.
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Will Fortitude’s expansion increase Zcash’s scheduled issuance?
No. The added rigs would compete for the existing protocol-defined subsidy rather than increase per-block issuance. Zcash’s current total subsidy is 1.5625 ZEC per block, including 1.25 ZEC allocated to miners plus transaction fees.
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What other Fortitude financing plan remains ahead?
Fortitude said it planned a further $20 million draw expected in ZEC to fund a refundable deposit for a separate next-generation equipment arrangement. That arrangement covers up to $100 million and remains indicative and nonbinding.
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