If you're an Australian client hosting miners with GreenMicroHash in the US, your invoice covers the renewable power, infrastructure and support that keep your hardware hashing around the clock, halfway around the world from home. That cost doesn't pause because the market has — and 2026 has been a genuinely hard year for BTC holders.
US$0.065
GreenMicroHash US hosting rate per kWh — a fraction of Australian grid costs
50%
Max initial LTV on a Firefish Bitcoin loan
$100M+
Loan volume processed on Firefish, 10,000+ users
Two bad markets at once
On one side, US commercial electricity averages around 13.5 cents per kWh nationally (EIA, July 2026). Back home, Australian commercial electricity runs considerably higher — around 31–35 Australian cents per kWh, or roughly US$0.22–0.25. Electricity typically makes up 60–80% of a miner's operating cost, so it's the line item that matters most, whatever the market is doing — it's also why GreenMicroHash hosts in the US: our renewable-powered hosting rate of US$0.065 per kWh runs at under half the US commercial average, and well under a third of what the same rig would cost to run on Australia's grid.
On the other side, Bitcoin has been in a genuine bear market. BTC opened 2026 above US$93,000 (around A$133,000), and by the end of June had slid to a 21-month low near US$60,000(about A$85,700) as Bitcoin ETFs recorded their worst month of outflows on record. Through mid-July it's been trading in the US$56,000–$62,000 range.
Put those two together and a lot of hosting clients face the same bad choice every month: sell BTC at depressed prices just to cover the invoice.
Bitcoin price, 2026 (USD)
Illustrative monthly trend interpolated from reported price points
Approximate, for illustration only — not a price feed.
What Firefish actually is
Firefish is a non-custodial Bitcoin-backed lending marketplace. You deposit BTC as collateral into a dedicated multisig vault and borrow cash against it — without selling your Bitcoin and without a credit check. The platform has processed over $100M in loan volume for more than 10,000 users.
The key word is non-custodial. Each loan gets its own on-chain multisig address; Firefish can't move, lend out, or rehypothecate your collateral, and you can verify it on the Bitcoin blockchain yourself.
| Term | Detail |
|---|---|
| Loan size | US$800 up to institutional-size facilities |
| Loan-to-value (LTV) | Up to 50% initial (i.e. ~2:1 collateral) |
| Loan term | 3–24 months, borrower's choice |
| Interest rate | From ~5% p.a. (market-set by lenders) |
| Margin calls | Triggered at 73%, 79% and 86% LTV |
| Liquidation | Automatic at 95% LTV (5% liquidation fee) |
Source: Firefish product pages and documentation (firefish.io/borrow, docs.firefish.io). Rates are market-driven and vary by lender demand, term and LTV.
It's already being used to fund mining. Firefish's own lead investor, mining pool and firmware company Braiins, borrowed US$400,000 against 8.75 BTC, funded in under 24 hours, to cover operations without selling its Bitcoin. Braiins has since integrated Firefish-powered loans into its own product suite so miners can finance hardware and running costs the same way.
A worked example for an Australian client hosting in the US
Say you're an Australian client hosting a fleet of 27 Antminer S21 XPunits with us in the US — a realistic size for a small commercial setup. Each unit runs 270 TH/s at 3,645W, so the fleet works out to roughly 7.29 PH/s and 98.4kW combined. At GreenMicroHash's hosting rate of US$0.065/kWh, that's:
27 × 3,645W × 24h × 30 days × US$0.065/kWh ≈ US$4,606 (~A$6,580) per month
Running that same fleet on the US commercial grid average of ~13.5¢/kWh would cost more like US$9,566 a month— and a lot more again back home in Australia. Hosting with us in the US is already doing most of the work here. But in a bear market, even a leaner invoice can mean selling BTC at the wrong time.
At today's BTC price of roughly $60,000, covering that $4,606 bill by selling means parting with about 0.077 BTC— permanently, at one of the weakest prices Bitcoin has traded at in almost two years.
Using Firefish instead, at 50% LTV you'd pledge about 0.154 BTC (~$9,210 worth) as collateral to borrow the $4,606 you need. On a 6-month term at, say, 8% p.a., the interest cost is roughly:
$4,606 × 8% × 0.5 years ≈ $184 in interest
Repay the $4,790 (principal + interest) at the end of the term and every satoshi of that 0.154 BTC comes back to you — still exposed to any recovery, rather than gone for good.
Bitcoin exposure retained after paying a $4,606 hosting invoice
Illustrative example · same bill, two ways to fund it
Loan path costs ~$184 in interest over 6 months to keep full exposure on the pledged BTC. Selling costs nothing today but forgoes any future recovery on that 0.077 BTC permanently.
If BTC merely recovers back toward its January 2026 level of ~$93,000 (not guaranteed, and it may not happen), the 0.077 BTC you'd have sold would be worth about $7,160— roughly $2,550 morethan the cash it fetched today. That's the upside the loan path is designed to preserve, for the price of ~$184 in interest.
The other side of the trade: a Firefish loan isn't free money or risk-free. If BTC's price keeps falling after you borrow, your LTV rises and you'll hit margin calls at 73%, 79% and 86% — and automatic liquidation at 95% if you don't top up collateral or repay. Only borrow against BTC you're prepared to actively manage, and don't treat the recovery scenario above as a promise.
Why this matters more in a bear market
- You stop selling at the bottom. Forced monthly selling to cover hosting invoices is exactly the wrong pattern in a downturn — you're liquidating the most BTC per dollar of bill precisely when prices are lowest.
- You keep hashing through the cycle. A short-term loan can bridge an invoice without pausing your rigs, so you don't lose hash rate on hardware you've already deployed with us.
- The cost is capped and known upfront. Interest from ~5% p.a. is a fixed, budgetable cost versus an open-ended loss of BTC upside.
The goal is the same one behind hosting with GreenMicroHash in the first place: keep the machines running on clean, reliable power, without being forced to give up the Bitcoin they're mining.
Getting started
- Deposit BTC into your dedicated Firefish multisig vault (non-custodial, verifiable on-chain).
- Choose your loan amount (up to 50% LTV) and term (3–24 months).
- Receive fiat and pay your GreenMicroHash hosting invoice.
- Monitor your LTV; top up collateral or make repayments if BTC's price moves against you.
- Repay the loan plus interest to recover 100% of your collateral.
FAQ
Does Firefish require a credit check to borrow against Bitcoin?
No. Loans are collateralised by BTC held in a non-custodial multisig vault, so there's no credit check or paperwork — approval is based on the Bitcoin you pledge, not your credit history.
What happens if the Bitcoin price drops after I take a loan?
Your LTV rises. Firefish issues margin calls at 73%, 79% and 86% LTV, giving you the chance to add collateral or repay part of the loan. If LTV reaches 95%, the collateral is automatically liquidated (with a 5% liquidation fee) to close out the loan.
Is a Bitcoin-backed loan better than selling BTC to cover a hosting invoice?
It depends on your risk tolerance and view on price. Selling is final and fee-free; borrowing costs interest but keeps your BTC exposure intact. In a bear market, many miners prefer a known interest cost over realising losses by selling at depressed prices — but a loan carries its own liquidation risk if prices keep falling.
How much can I borrow against Bitcoin on Firefish?
Loan sizes range from around US$800 up to institutional-size facilities, at up to 50% of your Bitcoin's value, for terms of 3 to 24 months.
Stop paying Australian grid prices for your rigs. Host with GreenMicroHash from US$0.065/kWh on 100% renewable power.
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