KuMining
KuCoin-operated cloud hashrate (BTC, DOGE+LTC, ZEC, KAS) on 7-360 day contracts with mine-first-pay-electricity-later; capacity and returns are unaudited operator claims.
by the bestcloudmining editorial desk · review version 1 · prose updated 2026-09-24 · facts as of 2026-09-24 · how we verify
HashFlare is flagged scam in our research - do not sign up. This page stays up as an archive and a warning.
Offered (coins: BTC, LTC, DOGE, ZEC, DASH, ETH). Historic per-GH/s contracts with maintenance fees. You do not own the underlying hardware unless the provider explicitly says otherwise - with a contract you hold a claim on hashrate or compute for a term, not an asset you can resell.
Minimum purchase: not documented. Contract term: not documented. Maintenance/fee: Historic maintenance fees that at times exceeded mining output (HashFlare repeatedly cut payouts / raised fees).. Payouts: Historic.. Historic per-GH/s contracts with maintenance fees. Where a term is not documented, assume it can change and get it in writing before paying.
Proof of hashrate/compute is not documented. none A vendor claim is not proof: check for a payout address, a pool worker you can watch, or a hardware attestation before trusting a large contract.
DOJ WDWA (Nov 21, 2022): Potapenko and Turõgin, both 37, arrested in Tallinn on an 18-count indictment; ~$575M paid by hundreds of thousands of victims; DOJ alleges a massive Ponzi scheme and money laundering. Cointelegraph timeline: arrested Nov 2022; pleaded guilty to wire fraud Feb 12, 2025; 'self-deportation' proceedings Apr 2025; prosecutors sought a 10-year sentence Aug 2025; media report a 16-month jail term. The current hashflare.io domain (created 2025-03-17) is a parking page - a separate scam risk. Noted concerns: DOJ WDWA (Nov 21, 2022): Potapenko and Turõgin, both 37, arrested in Tallinn on an 18-count indictment; ~$575M paid by hundreds of thousands of victims; DOJ alleges a massive Ponzi scheme and money laundering. Cointelegraph timeline: arrested Nov 2022; pleaded guilty to wire fraud Feb 12, 2025; 'self-deportation' proceedings Apr 2025; prosecutors sought a 10-year sentence Aug 2025; media report a 16-month jail term. The current hashflare.io domain (created 2025-03-17) is a parking page - a separate scam risk.. Facts not fully verified (reported) as of 2026-09-24 - start with the smallest possible purchase and test a payout before scaling up.
Documented pricing: not documented - see the provider site. Payment: BTC. KYC: unknown. Compare prices only in the same unit - a per-TH/s-day figure and a per-GPU-hour figure are not the same product.
HashFlare is not operating and is flagged scam - do not sign up. Working alternatives are in our comparison table.
| Documented price | see provider site |
|---|---|
| Payouts | Historic. |
| Notes | Historic per-GH/s contracts with maintenance fees. |
Run the long math before paying: cloud mining calculator →
Access to BTC, LTC, DOGE, ZEC, DASH, ETH hashrate/compute. You do not own the hardware unless stated - the contract is the asset.
Documented pricing: not documented - see the provider site. Fees: Historic maintenance fees that at times exceeded mining output (HashFlare repeatedly cut payouts / raised fees). - factor maintenance into any comparison.
No minimum is documented - confirm with the provider.
Payouts: Historic..
Proof of hashrate/compute is not documented.
In a contract you own no hardware, so if the operator disappears the contract is likely worthless - the pattern behind several documented collapses in our Scam Watch.
If you cannot verify a payout and a clear term, buying the coin or owning a miner leaves you in control - run the numbers with our mining calculator first.
KuCoin-operated cloud hashrate (BTC, DOGE+LTC, ZEC, KAS) on 7-360 day contracts with mine-first-pay-electricity-later; capacity and returns are unaudited operator claims.
Local miner + pool relay that auto-converts your own hardware's mining rewards into 82 payout assets for a 1% fee (0.75% with a referral code); not cloud mining.
Long-running Irish-registered BTC hashrate contracts with a contract trading room; US residents are blocked.
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