Quip's node manager v0.2.3 release notes read like a hardware benchmark sheet. CPU annealing throughput up roughly five times per core, CUDA utilization jumping from 55 percent to 94 percent, Metal performance up about 43 percent on an M4 Max. The release also advertises that any executable can act as a miner, which sounds like an open invitation regardless of what hardware someone owns. Look at where the actual gains landed and the story narrows fast, every improvement in that changelog is tied to a specific vendor stack, Nvidia's CUDA and Apple's Metal, both maintained directly by Postquant Labs' own engineering team. Nothing in the notes mentions AMD's ROCm, Intel's discrete GPUs, or older hardware that never gets its own optimization pass. I think shipping real, measured performance gains instead of vague marketing numbers is worth crediting, a documented jump from 55 to 94 percent utilization is not nothing. My skepticism is that permissionless mining on paper still runs through whichever vendor SDKs a small core team decides to prioritize next, and @QuipNetwork choosing CUDA and Metal first quietly picks winners among the hardware people already own. Anyone can plug in a miner. Whether it competes depends on somebody else's roadmap, not their own hardware.