Custom firmware can recover 10-30% efficiency from existing Antminer fleets. At the Bitcoin 2026 Conference, VNISH’s Bradley Peak walks through how the math actually works alongside ASIC Plug / FARMGOD’s Dan Koehler, Interhash’s Alexander Lozben, and moderator Nico Smid of Digital Mining Solutions. They cover the operational margins, ASIC repair economics, hash board recovery, predictive maintenance, and the “stranded sats” thesis reshaping how mining operators think about ROI.