HashrateUp - A Bitcoin Mining Podcast

Old ASICs, $0.058 Power & a 50/50 Profit Split w/ Ben Smith

August 25, 2026·31 min
Episode Description from the Publisher

Most people scrap their old ASICs, ship them overseas, or let them gather dust. Ben Smith (Bear Market Mining) offers a fourth option: profit-split hosting that keeps end-of-life machines online in the US. Ben joins me — you can hear the miners running in the background — to break down the model he built at his Walnut Ridge site: a 5.8¢/kWh all-in rate, a straight 50/50 split of net profit after power (60/40 on S21s), no deposits, no rack fees, and no long-term lock-in. We get into why he'd rather stack the Bitcoin than take your dollars, the 10,000-unit S19 redeployment that inspired the whole idea, why he doesn't think hashprice climbs back to $80, how he keeps six-year-old machines alive with a wall of spare parts and Braiins firmware, exactly how the pool split is calculated every 30 days, and his hard-won take on immersion cooling (spoiler: 180 machines still sit in his bath). Plus the hydro build, dry coolers running in 110°F heat, and the too-cold startup problem nobody warns you about.👤 Guest: Ben Smith — Founder, Bear Market Mining (President, Arkansas Blockchain Council)Bear Market Mining: https://bmmining.techOptimization Calculator: https://bmmining.tech/optimization.htmlSchedule a Consultation: https://bmmining.tech/apply.htmlContact: ben@bmmining.techTimestamps:0:00 Intro — end-of-life ASICs and the profit-split pitch5:00 Walnut Ridge: from immersion to air to hydro10:30 The profit-share model — 5.8¢ all-in and why Ben stacks BTC over dollars16:30 Redeploying dead fleets: the 10,000-unit S19 second-life story23:00 Profit-split incentives: downside protection vs giving up upside29:30 Why Ben doesn't think hashprice hits $80 again (Rockdale, difficulty, the bull case)36:00 The construction side: 200 MW built + becoming Arkansas' #2 power buyer42:00 Running old units: free part swaps, Braiins firmware & underclocking47:30 How the split actually works: Braiins pool, 30-day cycle, power paid first52:00 Full deal terms: no deposits, no rack fee — just ship it57:00 Hydro infrastructure, dry coolers & the too-cold startup problem1:01:00 Immersion reality check: why 180 machines still sit in the bath🛠 Sponsored by:Luxor — Mining pool, firmware, hardware trading & hashrate toolshttps://luxor.tech/Altair Technology — ASIC hardware, replacement parts & mining infrastructureCode: HASHRATEUPhttps://altairtech.io/aff/125/📊 HashrateUp Hardware Deals: https://t.me/hashrateup📩 Free 5-Day Bitcoin Mining Course: https://hashrateup.com/newsletter-sign-up/#BitcoinMining #ProfitSplitHosting #BitcoinHosting #ASIC #S19 #HydroCooling #BearMarket #Braiins #MiningPool #Arkansas #EndOfLifeASIC #Bitcoin #HashrateUp

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