{
  "schema": "https://drinknile.com/faststart-images.schema.json",
  "updated_at": "2026-06-01",
  "status": "pilot",
  "purpose": "Prebuilt BTX miner images that reduce rented GPU setup time and verify productive BTX compute before spend scales.",
  "required_gates": [
    "patched btx-gbt-solve exposes --daemon",
    "patched btx-gbt-solve exposes --share-target",
    "BTX_MATMUL_BACKEND=cuda for NVIDIA rental images",
    "BTX_MATMUL_GPU_INPUTS=0 to avoid the slow GPU-input path",
    "dexbtx-miner verify-rental clears the configured cost/BTX threshold",
    "miner points rewards to the user's own btx1z payout address"
  ],
  "profiles": [
    {
      "id": "vast-cuda-btx-start",
      "provider": "Vast.ai",
      "status": "build-ready",
      "backend": "cuda",
      "min_gpu": "RTX 30-series or newer",
      "dockerfile": "faststart/vast-cuda/Dockerfile",
      "build_context": "faststart/vast-cuda",
      "required_env": [
        "BTX_ADDRESS"
      ],
      "optional_gate_env": [
        "BTX_MEASURED_NPS",
        "BTX_NETWORK_NPS",
        "BTX_RENTAL_HOURLY_USD",
        "BTX_MAX_COST_PER_BTX_USD"
      ],
      "miner_command": "dexbtx-miner --pool stratum.drinknile.com:3333 --address <BTX_ADDRESS> --worker <WORKER> --backend cuda",
      "verification_command": "dexbtx-miner verify-rental --backend cuda --measured-nps <NPS> --network-nps <NETWORK_NPS> --hourly-usd <USD_PER_HOUR> --max-cost-per-btx <USD_THRESHOLD>",
      "notes": "Use only after a measured hashrate proof. Do not rent by GPU name alone."
    },
    {
      "id": "runpod-cuda-btx-start",
      "provider": "RunPod",
      "status": "build-ready",
      "backend": "cuda",
      "min_gpu": "RTX 30-series or newer",
      "miner_command": "dexbtx-miner --pool stratum.drinknile.com:3333 --address <BTX_ADDRESS> --worker <WORKER> --backend cuda",
      "verification_command": "dexbtx-miner verify-rental --backend cuda --measured-nps <NPS> --network-nps <NETWORK_NPS> --hourly-usd <USD_PER_HOUR> --max-cost-per-btx <USD_THRESHOLD>",
      "notes": "Prefer secured cloud inventory when uptime matters."
    }
  ]
}