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# Prover tiers on real cards: the memory matrix of the patched SP1 GPU server, measured on rented GPUs
6 October 2026, from 11:50 UTC (the project lead: "rent all you need, absolute overkill", "get as many GPUs as you need to properly
test everything swiftly"). Branch `gpu-fleet`, tools in `tools/fleet/`, raw logs per instance under
`~/Desktop/fleet/<instance>/` (the sampler csv, every point's host log and results JSON, the miner log). This file
replaces the 5090-allocation rows of `docs/analysis/prover-floor.md` with the cards themselves. A row that is not here
yet is still running; the table is rewritten by `tools/fleet/collect.py` as rows land.
## Method
Every box is a Vast.ai container (nvidia/cuda:12.8.1-devel-ubuntu24.04, the host's own driver) with one card. On it:
the 0.3.12 Linux node 83089544 on the ten-field override (digest 7bd98cc4...), peered with the seed; the 0.3.12 CUDA
worker; the patched `sp1-gpu-server` built on the box from SP1 v6.8.1 (c84ada1e) with
`proving/prover-floor/sp1-gpu-6.8.1-floor.patch` v4 (sha256 e81cb0d0...) for the card's own arch (86 for Ampere, 89
for Ada, 120 for Blackwell; the 4090 box built 86,89,120); the cuda host and exporter from the prover-floor bundle
(pinned ids 0x2b1a81cb... and 0x474678f3..., `--mode id` on every box). The fixture is the v1 shard
(`proving/fixtures/fees-v1-shards2.json` shard 0, 4,717,439 cycles), the same as `prover-floor.md`.
| Row | What runs | How it is read |
|---|---|---|
| idle | nothing on the card | `nvidia-smi memory.used`, `power.draw` |
| miner | `igneum-miner mine` with the CUDA worker against the box's node, 60 s warm, 150 s sampled | the mean of the STATUS line's `now=` over the sample; watts and memory from a 1-s sampler |
| stock | the SDK's own `sp1_gpu_server_v6.8.1` (HOME=/root), `--mode compressed --shard 0` | the host's RESULT line, or the refusal in its log |
| alone | the patched server, `SP1_GPU_ELEMENT_THRESHOLD` 2^26 and 2^27 compressed, 2^25 and 2^26 `--mode core`, nothing else on the card | peak = max `memory.used` at 1 s; own = peak minus the reading before the point |
| beside | the same points with the miner running on the card (45 s warm before the first) | the same; base = the miner's resident set |
Every proof is verified by the host's own SDK verifier (the VERIFIED word in the RESULT line; the patch changes buffer
sizes and the shard split, not the circuit). The server is killed and its socket unlinked around every point. A point
whose allocation does not fit does not fail: the patched server hangs at the card's limit at 0% utilisation (the 3080
and the 4060 Ti 8 GB at 2^27, 15 minutes each until killed), so every prover run needs a wall-clock timeout.
## The table (rewritten as rows land)
| Card | VRAM GB | Idle MiB | Miner | Stock SP1 6.8.1 | Patched, proves alone (own) | Beside the miner (peak) | Core-only beside the miner (own) | Verdict |
|---|---|---|---|---|---|---|---|---|
| RTX 3060 | 12 | 1 | 23.78 MH/s at 103.7 W, 1.4 GB | refused: thread 'tokio-rt-worker' (48952) panicked at sp1-gpu/crates/ | 7.4 GB, 14.4 s (alone-comp-26-v1) | 8.9 GB peak, 37.5 s | 5.6 GB, 27.2 s | mines and proves |
| RTX 3080 | 10 | 11 | 40.82 MH/s at 204.9 W, 1.5 GB | refused: thread 'tokio-rt-worker' (49593) panicked at sp1-gpu/crates/ | 8.0 GB, 7.1 s (alone-comp-26-v1) | 9.2 GB peak, 25.6 s | 5.9 GB, 19.2 s | mines and proves |
| RTX 3090 | 24 | 1 | 37.79 MH/s at 228.8 W, 1.5 GB | not measured: the SDK's server download stalled (killed at 553 s) | 7.7 GB, 14.9 s (alone-comp-26-v1) | 9.3 GB peak, 19.9 s | 5.8 GB, 13.3 s | mines and proves |
| RTX 4060 Ti 16 GB | 16 | 0 | 17.58 MH/s at 72.3 W, 1.4 GB | refused: thread 'tokio-rt-worker' (49293) panicked at sp1-gpu/crates/ | 7.8 GB, 11.6 s (alone-comp-26-v1) | 9.0 GB peak, 34.6 s | 5.8 GB, 25.9 s | mines and proves |
| RTX 4060 Ti 8 GB | 8 | 0 | 19.07 MH/s at 72.6 W, 1.4 GB | refused: thread 'tokio-rt-worker' (43763) panicked at sp1-gpu/crates/ | 7.6 GB, 9.6 s (alone-comp-26-v1) | no GB peak, s | 5.8 GB, 26.3 s | mines and proves core-only |
| RTX 4060 | 8 | 2 | 17.07 MH/s at 0.0 W, 1.4 GB | refused: thread 'tokio-rt-worker' (48510) panicked at sp1-gpu/crates/ | 7.4 GB, 18.4 s (alone-comp-26-v1) | no GB peak, s | 5.6 GB, 22.1 s | mines and proves core-only |
| RTX 4070 | 12 | 9 | 24.99 MH/s at 91.1 W, 1.4 GB | refused: thread 'tokio-rt-worker' (47475) panicked at sp1-gpu/crates/ | 7.6 GB, 12.1 s (alone-comp-26-v1) | 10.1 GB peak, 27.3 s | 5.6 GB, 14.3 s | mines and proves |
| RTX 4090 | 24 | 1 | 52.25 MH/s at 183.1 W, 1.7 GB | proved 5.6 s at 17.4 GB | 7.9 GB, 6.3 s (alone-comp-26-v1) | 10.7 GB peak, 26.1 s | 6.1 GB, 10.6 s | mines and proves |
| RTX 5070 | 12 | 2 | 41.89 MH/s at 137.0 W, 2.7 GB | refused: thread 'tokio-rt-worker' (53680) panicked at sp1-gpu/crates/ | 7.6 GB, 4.8 s (alone-comp-26-v1) | 10.2 GB peak, 37.2 s | 5.8 GB, 19.8 s | mines and proves |
| RTX 5090 | 32 | 2 | 98.48 MH/s at 258.2 W, 1.8 GB | proved 8.4 s at 18.3 GB | 8.0 GB, 6.3 s (alone-comp-26-v1) | 9.9 GB peak, 10.7 s | 6.3 GB, 7.4 s | mines and proves |
| RTX A5000 | 24 | 1 | 47.7 MH/s at 222.7 W, 1.5 GB | proved 6.4 s at 17.2 GB | 7.7 GB, 8.3 s (alone-comp-26-v1) | 10.5 GB peak, 34.6 s | 6.0 GB, 18.2 s | mines and proves |
## What the rows say, per tier
Measured, all eleven cards complete at 13:27Z (4090, 3090, A5000, 5090, 4070, 5070, 3060, 3080, 4060 Ti 16 GB, 4060, 4060 Ti 8 GB):
| Tier | What the cards say | Consequence | What is being done |
|---|---|---|---|
| 24 GB (4090, 3090, A5000) | the STOCK server proves the v1 shard (5.6 s at 17.4 GB on the 4090, 6.4 s at 17.2 GB on the A5000; on the 3090 the SDK's server download stalled and the point was killed, not a refusal); the patched 2^26 profile does it in 7.7 to 7.9 GB (6.3 s 4090, 8.3 s A5000, 14.9 s 3090) and beside the miner the peak is 9.3 GB (3090, 19.9 s) to 10.5 to 10.7 GB (A5000, 4090; 26 to 35 s); the 3090 mines 37.8 MH/s at 229 W, the weakest MH/W of the 24 GB cards | mines and proves with 13 GB to spare; the patched profile frees 9.5 GB for nothing but a 1.1 to 1.3x slower proof, so a 24 GB card keeps upstream's threshold and the public line "24 GB: mines and proves" stands on real cards | the 24 GB rows go into the fleet night as compressed provers at the default tier |
| 12 GB (3060, 4070, 5070) | the stock server refuses (the 24 GB gate); patched 2^26 proves alone at 7.4 to 7.6 GB (14.4 s on the 3060, 12.1 s on the 4070, 4.8 s on the 5070); BESIDE THE MINER the peak is 8.9 GB (3060, 37.5 s) to 10.1 to 10.2 GB (4070, 5070; 27.3 s and 37.2 s) of 12 GB, verified; core-only beside the miner 5.6 to 5.8 GB (14.3 to 27.2 s) | a 12 GB card mines and proves compressed shards on the patched server with about 2 GB to spare before the display (Windows and a monitor take 0.5 to 1.5 GB, so a desktop 12 GB card is at the edge; a headless Linux one is fine); the 9.0 GB line of prover-floor.md is not needed for Linux headless, and core-only (5.6 to 5.8 GB) keeps 6 GB spare for a desktop | the public line becomes "12 GB: mines and proves on Linux (the patched server), proves alone on a desktop; core-only mine-and-prove on a desktop once the hand-off ships"; the 4070 and 5070 join the fleet night with the miner PAUSED per segment (prove-alone profile), the 10.2 GB beside-row is the mine-and-prove candidate for a second night |
| 16 GB (4060 Ti 16 GB) | patched 2^26 alone 7.8 GB in 11.6 s; beside the miner 9.0 GB peak of 16 GB in 34.6 s; core-only beside 5.8 GB | mines and proves with 7 GB spare, display or not; the 2^27 profile (10 GB alone) fits too | joins the fleet night mining and proving compressed |
| 10 GB (3080) | proves alone at 2^26 (7.1 s, 8,158 MiB own); BESIDE THE MINER compressed 2^26 verified at a 9,412 MiB peak of 10,240 in 25.6 s; core-only beside 2^25 at a 7,618 MiB peak in 19.2 s; 2^27 panics after 568 s | mines and proves on headless Linux with 0.8 GB spare, too close for a desktop with a display, where core-only (2.6 GB spare) is the profile | the app keeps 8 and 10 GB cards "prove alone, off by default while mining" (the prover-floor agent's provedefault rows from these numbers) |
| 8 GB (4060, 4060 Ti 8 GB) | both prove alone at 2^26 (the 4060 Ti 9.6 s at 7,740 MiB of 8,188; the 4060 16.9 s at 7,655), at 2^25 compressed (13.5 s, 7,676) and core-only at 2^25 (5.8 s, 5,916) and 2^24 (11.2 s, 5,404); BESIDE THE MINER (1.4 GB resident) compressed 2^26 does not fit on either, core-only 2^25 proves verified at a 7,123 MiB (4060, 22.1 s) and 7,352 MiB (4060 Ti, 26.3 s) peak of 8,188, core 2^24 at 6,840 to 6,867 (60 to 70 s) | an 8 GB card proves alone compressed, or mines and proves core-only at 2^25 with about 1 GB spare on headless Linux (a desktop with a display takes 2^24, 1.3 GB spare, at 60 to 70 s a shard); the 8 GB miner's hash while proving falls to 16.0 to 18.4 MH/s from 17.1 to 19.1 | the public floor becomes "8 GB proves alone; mines and proves core-only once the hand-off ships" |
| 32 GB (5090) | 98.5 MH/s at 258 W; the stock server proves in 8.4 s at 18.3 GB; patched 2^26 alone 8.0 GB in 6.3 s; beside the miner 9.9 GB peak in 10.7 s (the miner costs 1.7x here against 4x on Ada) | the strongest prover per card: beside its miner it proves a v1 shard every 11 s | the fleet night's compressed prover at upstream's tier |
| rig | one server per card at the card's profile: a 4090 rig needs 8 x 10.7 GB device memory beside its miners and about 6 GB of host RAM per server | fits any 8x 4090 rig with 64 GB of host RAM | phase 3 measures it |
| pool user | nothing changes: the pool's provers carry the proofs | | |
The empty-shard rows (the `block-72854-empty-block-first` fixture) prove SLOWER than the v1 shard on every card (24 to 50 s at 2^26 against 6 to 12 s), the opposite of PC 2's 3.3 s for its own empty shard; the fixture is a first block with a genesis-state witness, not an empty live shard, so those rows are not the "empty block" cost and are left out of the tier line.
## Ember Tune on rented cards
`nvidia-smi -pl` and `-lgc` are refused inside a Vast container (the host's driver holds the power and clock knobs), so
the two-knob ladder (`tools/fleet/box-ember.sh`) reports one baseline step per card: the untuned MH/s, W and MH/W. The
rows are in `results.json` (`tune_plan: baseline`) and in the fleet priors section of `docs/plans/ember-tune.md`; a
tuned point per model needs a bare-metal host or a VM with the driver inside.
| Card | MH/s | W | MH/W | Plan |
|---|---|---|---|---|
| RTX 4070 | 24.77 | 91.3 | 0.2713 | baseline |
| RTX 4090 | 52.24 | 179.9 | 0.2904 | baseline |

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causes (A to E) and their fixes in the plan's 0.3.14 window section; the window repeats on 0.3.15. The cards kept
mining at the driver's held locks: 5090 222.9 W at 1845 MHz, 4070 75.9 W at 1860 MHz, 9070 XT 201 W. Lever-2 TUNING
records during the window: 5090 135.6 MH/s at 236 W (0.574 MH/W), 4070 31.1 MH/s at 79 W (0.393).
## Prover tiers on real cards: the rented fleet, 6 October 2026 (branch gpu-fleet)
From 11:50 UTC, Vast.ai containers (nvidia/cuda:12.8.1-devel-ubuntu24.04, the host's driver), one card each, the
0.3.12 Linux node 83089544 on the ten-field override, the 0.3.12 CUDA worker, the patched SP1 server built on each box
from `proving/prover-floor/sp1-gpu-6.8.1-floor.patch` v4 (e81cb0d0...) for the card's own arch, the cuda host with the
pinned ids 0x2b1a81cb... and 0x474678f3...; the v1 shard (`fees-v1-shards2.json` shard 0, 4,717,439 cycles); every
proof VERIFIED by the host's own SDK verifier; peak = nvidia-smi memory.used sampled once a second (a per-second loop,
not `-l 1`, which buffers and ignores SIGTERM in a container); own = peak minus the reading before the point; beside
= the card's miner running (its resident set is the base). Runner `tools/fleet/box-matrix.sh`, collector
`tools/fleet/collect.py`, raw logs `~/Desktop/fleet/<instance>/`, the analysis `docs/analysis/prover-tiers-real-cards.md`.
| Card | VRAM GB | Idle MiB | Miner | Stock SP1 6.8.1 | Patched, proves alone (own) | Beside the miner (peak) | Core-only beside the miner (own) | Verdict |
|---|---|---|---|---|---|---|---|---|
| RTX 3060 | 12 | 1 | 23.78 MH/s at 103.7 W, 1.4 GB | refused: thread 'tokio-rt-worker' (48952) panicked at sp1-gpu/crates/ | 7.4 GB, 14.4 s (alone-comp-26-v1) | 8.9 GB peak, 37.5 s | 5.6 GB, 27.2 s | mines and proves |
| RTX 3080 | 10 | 11 | 40.82 MH/s at 204.9 W, 1.5 GB | refused: thread 'tokio-rt-worker' (49593) panicked at sp1-gpu/crates/ | 8.0 GB, 7.1 s (alone-comp-26-v1) | 9.2 GB peak, 25.6 s | 5.9 GB, 19.2 s | mines and proves |
| RTX 3090 | 24 | 1 | 37.79 MH/s at 228.8 W, 1.5 GB | not measured: the SDK's server download stalled (killed at 553 s) | 7.7 GB, 14.9 s (alone-comp-26-v1) | 9.3 GB peak, 19.9 s | 5.8 GB, 13.3 s | mines and proves |
| RTX 4060 Ti 16 GB | 16 | 0 | 17.58 MH/s at 72.3 W, 1.4 GB | refused: thread 'tokio-rt-worker' (49293) panicked at sp1-gpu/crates/ | 7.8 GB, 11.6 s (alone-comp-26-v1) | 9.0 GB peak, 34.6 s | 5.8 GB, 25.9 s | mines and proves |
| RTX 4060 Ti 8 GB | 8 | 0 | 19.07 MH/s at 72.6 W, 1.4 GB | refused: thread 'tokio-rt-worker' (43763) panicked at sp1-gpu/crates/ | 7.6 GB, 9.6 s (alone-comp-26-v1) | no GB peak, s | 5.8 GB, 26.3 s | mines and proves core-only |
| RTX 4060 | 8 | 2 | 17.07 MH/s at 0.0 W, 1.4 GB | refused: thread 'tokio-rt-worker' (48510) panicked at sp1-gpu/crates/ | 7.4 GB, 18.4 s (alone-comp-26-v1) | no GB peak, s | 5.6 GB, 22.1 s | mines and proves core-only |
| RTX 4070 | 12 | 9 | 24.99 MH/s at 91.1 W, 1.4 GB | refused: thread 'tokio-rt-worker' (47475) panicked at sp1-gpu/crates/ | 7.6 GB, 12.1 s (alone-comp-26-v1) | 10.1 GB peak, 27.3 s | 5.6 GB, 14.3 s | mines and proves |
| RTX 4090 | 24 | 1 | 52.25 MH/s at 183.1 W, 1.7 GB | proved 5.6 s at 17.4 GB | 7.9 GB, 6.3 s (alone-comp-26-v1) | 10.7 GB peak, 26.1 s | 6.1 GB, 10.6 s | mines and proves |
| RTX 5070 | 12 | 2 | 41.89 MH/s at 137.0 W, 2.7 GB | refused: thread 'tokio-rt-worker' (53680) panicked at sp1-gpu/crates/ | 7.6 GB, 4.8 s (alone-comp-26-v1) | 10.2 GB peak, 37.2 s | 5.8 GB, 19.8 s | mines and proves |
| RTX 5090 | 32 | 2 | 98.48 MH/s at 258.2 W, 1.8 GB | proved 8.4 s at 18.3 GB | 8.0 GB, 6.3 s (alone-comp-26-v1) | 9.9 GB peak, 10.7 s | 6.3 GB, 7.4 s | mines and proves |
| RTX A5000 | 24 | 1 | 47.7 MH/s at 222.7 W, 1.5 GB | proved 6.4 s at 17.2 GB | 7.7 GB, 8.3 s (alone-comp-26-v1) | 10.5 GB peak, 34.6 s | 6.0 GB, 18.2 s | mines and proves |
Also measured: the stock SP1 6.8.1 server refuses every card under 24 GB at `builder.rs:38` and proves the v1 shard on
the 4090 (5.6 s, 17.4 GB), the A5000 (6.4 s, 17.2 GB) and the 5090 (8.4 s, 18.3 GB); 2^27 does not fit a 10 or 8 GB card
and the v4 server hangs at the card's limit (568 and 904 s until killed) where v5 aborts in 13 s ("FLOOR abort: a device
allocation failed at slop/crates/tensor/src/inner.rs:51 ... AllocError { size: 486586112 }", exit 70; the known-failed
case of the prover-floor gate, on the 3080); the miner beside a prover costs 1.7x (5090) to 7.7x (5070) on the proof's
time and 5 to 20% of the miner's rate; the empty-shard fixture (block-72854, a first block with a genesis witness) proves
slower than the v1 shard on every card (24 to 55 s) and is not an empty live shard; Ember's two knobs are refused in the
containers, so the ladders are baseline rows (`docs/plans/ember-tune.md`, fleet priors).
## Rental cost of hash, 6 October 2026 (branch gpu-fleet): what a GH/s costs by the hour against the devnet
Measured on the rented fleet (RunPod community pods, list prices, 18:45Z): 38 wave pods (4090, A4000, L4, 3090, 3070, 4070 Ti,
A5000, 4000 Ada) ran 1,748 MH/s inside jobs (median pod 28 MH/s) for USD 20.44 an hour, USD 0.0117 per MH/s-hour; the 8x 4090 rig
459 MH/s at 1,636 W for USD 5.92 an hour, USD 0.0129 per MH/s-hour; a single 5090 pod 98 to 128 MH/s for USD 0.41 to 0.74 an hour.
The live devnet's difficulty read 1,156,040,186 at 1 block a second at 19:00Z, so the whole network was about 1.16 GH/s, and the
rented fleet was most of it. The live litepaper's line ("2 GH/s for USD 13/h vs 280 MH/s devnet") is corrected to: 1.75 GH/s for
USD 20 an hour on community pods, against a devnet of 1.16 GH/s.
| Buyer | What USD 20/h buys | Against the devnet (1.16 GH/s) | Against mainnet scale |
|---|---|---|---|
| Home miner, 8 to 12 GB card (11 to 28 MH/s) | nothing: the card is owned, 0.15 to 0.2 kW | one card is 1 to 2 percent of the devnet | one card is noise at a TH/s |
| Rig, 8x 4090 (459 MH/s, USD 5.92/h rented) | 1.7 rigs | one rig is 40 percent of the devnet | one rig is 0.05 percent of a TH/s |
| Renter at RunPod list prices | 1.75 GH/s while cards exist | 150 percent of the devnet: overtaken for USD 15/h | a TH/s costs USD 11,700 an hour and the market cannot supply it: asked for 20 pods of any of 8 card types at 18:59Z to 19:15Z, RunPod gave 0 ("no instances currently available") |
Consequence: the devnet's hash is rentable for the price of a dinner, so nothing on it is a security result; the counter-ASIC and
finality work is tested there for correctness, not for cost. The cost argument only starts at the TH/s scale, where the rental
market's supply (not its price) is the limit, and that number belongs in the litepaper with this caveat.

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@ -342,7 +342,7 @@ pre{margin:0;font-family:var(--f-mono);font-size:13px;line-height:1.6;color:var(
<div class="hero-copy">
<div class="eyebrow ember">GPUs are back · for good</div>
<h1>Mined by GPUs.<br>Proven by fire.</h1>
<p class="lead">Built for graphics cards. A new mining program every hour, compiled on the card. In our public model the strongest chip reaches 5x to 9x per joule against an RTX 5090 today, about 2x once the lever now in its gates ships: <a href="/bench#counter-asic-2-0-the-numbers" style="color:var(--molten)">the numbers</a>. Every card mines; a 32 GB NVIDIA card mines and proves, a 24 GB card proves a full shard alone, measured on an RTX 5090 (<a href="/evidence#claims" style="color:var(--molten)">evidence, row 16</a>); AMD and Apple cards mine. No premine, no stake, no foundation.</p>
<p class="lead">Built for graphics cards. A new mining program every hour, compiled on the card. In our public model the strongest chip reaches 5x to 9x per joule against an RTX 5090 today, about 2x once the lever now in its gates ships: <a href="/bench#counter-asic-2-0-the-numbers" style="color:var(--molten)">the numbers</a>. Every card mines; today's app proves on a 24 GB NVIDIA card and mines and proves on 32 GB. Measured on 6 October 2026 on eleven rented cards with the patched server: every NVIDIA card from 8 GB proves, 10 GB and up mine and prove (<a href="/bench#prover-tiers-on-real-cards-the-rented-fleet-6-october-2026-branch-gpu-fleet" style="color:var(--molten)">the log</a>); ships when the packaging row lands. AMD and Apple cards mine. No premine, no stake, no foundation.</p>
<div class="cta">
<a href="#mine" class="btn primary">See the miner</a>
<a href="/litepaper" class="btn">Read the litepaper</a>

4
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@ -262,7 +262,7 @@ pre b{color:var(--molten);font-weight:500}
<div class="hero-copy">
<div class="eyebrow ember"><span data-product="full">Igneum Ember</span> · one click</div>
<h1>Install. Start. The card mines and proves.</h1>
<p class="lead"><span data-product="name">Ember</span> finds your GPU, makes a wallet for you and runs the node, the miner and the prover as one app. Every card mines. On this build a 32 GB NVIDIA card mines and proves and a 24 GB card proves a full shard alone, measured on an RTX 5090; 16 GB proves empty shards only; 12 GB and under prove nothing yet (<a href="/evidence#claims" style="color:var(--ember)">evidence, row 16</a>). Four pages: Mine, Earnings, Prove, Settings. Every card is one row: its rate, its watts, pounds a day at your electricity price, a Tune button. Every hour it compiles the next program while the current one mines, so the card never stops.</p>
<p class="lead"><span data-product="name">Ember</span> finds your GPU, makes a wallet for you and runs the node, the miner and the prover as one app. Every card mines. Today's app, with the stock SP1 server: a 24 GB NVIDIA card proves the full shard and a 32 GB card mines and proves. Measured on 6 October 2026 on eleven rented cards with the patched server: every NVIDIA card from 8 GB proves, and 10 GB and up mine and prove (<a href="/bench#prover-tiers-on-real-cards-the-rented-fleet-6-october-2026-branch-gpu-fleet" style="color:var(--ember)">the log</a>); ships when the packaging row lands. Four pages: Mine, Earnings, Prove, Settings. Every card is one row: its rate, its watts, pounds a day at your electricity price, a Tune button. Every hour it compiles the next program while the current one mines, so the card never stops.</p>
<div class="cta">
<a href="#get" class="btn primary">Downloads: public testnet</a>
<a href="#features" class="btn">Every feature</a>
@ -379,7 +379,7 @@ pre b{color:var(--molten);font-weight:500}
<div class="group reveal" id="start">
<div class="g-head"><div class="eyebrow ember">01 · One click</div><h3>Install, press Start</h3><p>Five steps from download to the first block on a friend's laptop: drag to Applications, open, Get started, Make me an address, Start mining.</p></div>
<div class="feats">
<div class="feat"><b>The card mines; a big NVIDIA card proves</b><p>One button starts the node, waits for sync, starts one miner per card and, on an NVIDIA card, the prover. What proves, measured on an RTX 5090 with the shipped SP1 server (its floor is 13.9 GB): a 32 GB card mines and proves; a 24 GB card proves the full shard alone (from the 5090's allocation, not yet run on a 24 GB card); a 16 GB card proves empty shards only; 12 GB and under prove nothing on this build. Eleven rented cards, RTX 3060 to RTX 5090, were measured on 6 October 2026; the record is pending. AMD and Apple cards mine; a prover for them lands when a zkVM ships one. Quit stops them in order.</p><a class="src" href="/evidence#claims">evidence · row 16</a></div>
<div class="feat"><b>The card mines; an NVIDIA card proves</b><p>One button starts the node, waits for sync, starts one miner per card and, on an NVIDIA card, the prover. Today's app, with the stock SP1 server: a 24 GB card proves the full shard (RTX 4090 5.6 s, RTX A5000 6.4 s) and a 32 GB card mines and proves (RTX 5090, 8.4 s); the stock server refuses 16 GB and under. Measured on 6 October 2026 on eleven rented cards, RTX 3060 to RTX 5090, with the patched server: every NVIDIA card from 8 GB proves, and 10 GB and up mine and prove; ships when the packaging row lands. AMD and Apple cards mine; a prover for them lands when a zkVM ships one. Quit stops them in order.</p><a class="src" href="/bench#prover-tiers-on-real-cards-the-rented-fleet-6-october-2026-branch-gpu-fleet">log · 6 Oct 2026, prover tiers on real cards (docs/analysis/prover-tiers-real-cards.md)</a></div>
<div class="feat"><b>Finds your GPU by itself</b><p>NVIDIA through the driver, AMD and Intel through OpenCL, Apple silicon through Metal. Real card names, one worker per card.</p></div>
<div class="feat"><b>A wallet made for you</b><p>A payout key made on your machine and locked to your user, with a backup step before mining starts. Or paste an address you already hold.</p></div>
<div class="feat"><b>Earnings, money first</b><p>Every block this machine finds pays one address in IGN. The Earnings page counts blocks this run and for life, IGN from proofs, and the electricity cost at your price. £ earned stays 0.00 on devnet and says why; a market price fills it in when one exists (coming). The <a href="/wallet" style="color:var(--ember)">wallet</a> shows the balance.</p></div>