Compass Mining · 2025-08-21 · 34 min
Block Inc. (Jack Dorsey’s team) has unveiled Proto Rig, a Bitcoin mining system designed by engineers with backgrounds at Apple, Tesla, and Google. With a 3nm custom ASIC, modular design, and open-source fleet software, Proto is pitched as a complete rethink of Bitcoin mining hardware. In this episode of the Compass Mining Podcast, we’re joined by Tatum Cave, Compass Mining’s large-scale project lead and safety overseer at our Denver Service Center. With years of experience repairing, deploying, and stress-testing ASICs, Tatum shares his honest perspective on what Proto Rig could mean for miners in the field. What you’ll learn in this episode: - Proto Rig’s bold design promises: modular upgrades, easier repairs, higher density, and longer lifespans - Why competition beyond Bitmain and MicroBT is a big deal- Field concerns: durability, hot-swapping, integration with existing fleets - Efficiency claims vs.
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