Sazmining
You buy a serial-numbered BTC miner outright; Sazmining hosts it, bills power at cost and takes 15% only on Bitcoin actually mined.
Ship your own miner to a data centre that runs it for a fee.
Short answer: Sazmining is our top-rated ASIC hosting as of 2026-09-24 (7.1/10), from $0.059 per kWh.
You buy a serial-numbered BTC miner outright; Sazmining hosts it, bills power at cost and takes 15% only on Bitcoin actually mined.
Polish GPU mining OS (SMOS, $2/rig/month prepaid) plus SimplePod.ai GPU cloud; not an ASIC host despite the name.
US ASIC hosting from $0.0750/kWh (1 MW+) with a one-time $100 setup fee and a live ASIC marketplace; Indiana, founded 2022.
US ASIC/HPC hardware wholesaler and data-center-services team; folded into Synteq Digital in 2024, now selling GPU/VPS compute under Synteq HPC.
Flat $225/machine/month all-inclusive Bitcoin hosting in six self-owned Oregon sites; customer owns the ASIC and keeps 100% of BTC.
Established US (Iowa) ASIC hosting and managed-mining operator; real facilities, but self-reported capacity and a self-published review site.
US ASIC broker and hosting provider (MaaS) plus short-term hashrate rental (RentHash) and a P2P miner marketplace. Duplicate record of slug 'blockware'.
US ASIC broker and hosting provider (MaaS) plus short-term hashrate rental (RentHash) and a P2P miner marketplace.
US colocation/data-center operator hosting customer-owned ASIC miners plus AI, HPC and render-farm workloads across North America.
Hosted mining where you own the ASIC, under a default 3-year contract with a security interest over your hardware.
US ASIC distributor and host (Miami, since 2017) with live Shopify stock but a documented record of 2022-2025 customer disputes.
Listed US digital-infrastructure firm (Mawson) now doing B2B colocation for digital-asset and AI/HPC customers, with a going-concern warning and overdue debt.
Hardware sales; not remote hashrate contracts.
US ASIC reseller with a long hardware history, but its hosting division shows a repeated billing/repairs/withheld-funds complaint pattern and the website is offline.
Once one of Russia's largest mining colocation operators; founder jailed and parent in bankruptcy in 2026, with the official site no longer serving content.
On documented facts and weighted scores (Ship your own miner to a data centre that runs it for a fee.). We separate verified facts from vendor claims and flag scams and dead operators.
The minimum purchase, the payout terms and threshold, who holds the asset, and whether there is independent proof (on-chain payouts, pool workers, attestation). Start small and test withdrawals first.