Mining Pearl (PRL): Proof-of-Useful-Work on Consumer GPUs

What is Pearl?

Pearl (ticker: PRL) is a Layer-1 blockchain that launched mainnet on April 27, 2026 — less than three weeks ago. It's built by Pearl Research Labs, forked from the battle-tested btcd codebase, and licensed permissively under ISC.

What makes it different isn't the L1 plumbing — that part is conservative on purpose. It's the consensus mechanism: Proof-of-Useful-Work via NoisyGEMM, where the energy spent securing the network is large-scale matrix multiplication on a GPU. The same arithmetic that trains and runs every modern AI model — GPT, Llama, Stable Diffusion, every transformer in production. Ethash burns electricity hashing nonces; Pearl burns electricity doing matmul.

The technical paper is at arxiv.org/abs/2504.09971 and the protocol's own site lives at compute.pearlresearch.ai. The short version: a miner runs noisy matrix multiplications on the GPU, hashes the result into a commitment, and a Plonky2 zk-STARK wraps the work for cheap on-chain verification. Compact (~60 KB), private, and post-quantum secure. Anyone with a node can verify a block in milliseconds, even though producing one required serious GPU compute.

The "2-for-1" idea that makes this different

Here's the killer concept: when a company runs AI inference or training on a GPU, those same GPU cycles can simultaneously generate valid Pearl proof-of-work. You mine Pearl as a side effect of doing AI work — at roughly 10% overhead compared to running the mining workload alone. Pearl Research already ships a vLLM plugin and a Pearl-certified version of Meta's LLaMA 3.3 70B that actually runs faster than the original while mining at the same time.

For a GPU miner, the mental model shift is dramatic. Instead of competing against purpose-built ASICs doing pointless hashing, you're doing work the world actually needs — and getting paid for it twice. The token's value is structurally anchored to the growth of global AI compute demand, which is going one direction. It's Bitcoin-level monetary credibility, but tied to the real economy of AI instead of thin air.

Why we're mining it now

Three things have to line up for a project to make a great spec-mine. Pearl has all three.

ASIC resistance is structural, not promised

A lot of chains claim ASIC resistance. Pearl has it as a property of the underlying math. Matrix multiplication is already what the entire semiconductor industry has spent two decades optimizing — every modern GPU, TPU, and tensor-core accelerator is purpose-built for it. There's no economic incentive to build a Pearl-specific ASIC because:

• A "Pearl ASIC" would just be another tensor accelerator competing with NVIDIA's roadmap.
• If it dropped general matmul capability to gain efficiency, it would lose the ability to do useful AI work — making it strictly worse economically than running a GPU on the same compute.
• And the moment a fab tries to build one, NVIDIA's next-gen launches and resets the curve.

That's a stronger ASIC-resistance argument than memory-hard hashes or salted variants — it's resistance by virtue of competing against the entire AI hardware industry.

The numbers as they stand today

Pulled directly from our Pearl mainnet node on US1 and the live pool dashboard, current as of publish time. These will evolve as the network grows.

The hyperbolic emission is worth dwelling on. Bitcoin halves every four years; Pearl uses a continuous formula subsidy = (totalSupply × C) / ((h+C)(h-1+C)). Reward degrades smoothly with height — no abrupt cliff for miners to flee from. Predictable economics, smaller margin shocks, lower volatility in pool revenue.

The AlphaPool alpha-miner binary

We open-source-published the binary at github.com/AlphaMine-Tech/alpha-miner with sha256 checksums and a HiveOS Custom Miner package on every release. Built by our partner Jonathan with kernels tuned per architecture: Volta (sm_70), Ampere (sm_86), Ada (sm_89), Hopper (sm_90), and Blackwell (sm_120). Single static binary, only depends on the host's NVIDIA driver. ~2 GB VRAM per instance, auto-detects all your GPUs, status reporting baked in.

Indicative hashrates we've measured on the live pool:

("TH/s" here is teramatmul/sec — each "hash" is one matrix-multiplication attempt against the current block target.)

What hardware actually works

How to start mining today

Three paths, pick whichever matches how you run rigs.

Path 1: Linux (one-liner)

The five-second install if you have an Ubuntu/Debian box with NVIDIA driver 545+:

# download + verify
curl -L -o alpha-miner https://pearl.alphapool.tech/downloads/alpha-miner
chmod +x alpha-miner

# mine (replace prl1p... with your wallet address)
./alpha-miner \
  --pool stratum+tcp://pearl.alphapool.tech:5566 \
  --address prl1pYOUR_PEARL_ADDRESS \
  --worker myrig

Path 2: Windows via WSL2

Open PowerShell, run wsl --install Ubuntu-22.04 (one-time), reboot, then inside the new Ubuntu shell run the exact same four lines from Path 1. WSL2's NVIDIA passthrough is fully supported — we've verified RTX 5080 and RTX 4090 working from Windows 11. Native Windows .exe is on the roadmap.

Path 3: HiveOS Custom Miner

In your HiveOS web dashboard → Flight Sheets → New / Edit → choose Custom for the miner type, then in Setup Miner Config:

Pool endpoints + rules

• PPLNS: pearl.alphapool.tech:5566 · 5% fee · smooth payouts every 6h · right for <100 GH/s
• SOLO: pearl.alphapool.tech:5567 · 5% fee · winner takes the whole block · big rigs that want lottery dynamics
• Login: <your_PRL_address>.<worker_name>
• Password: x by default, or x;d=N to pin a static difficulty if vardiff isn't converging well on your hardware
• Minimum payout: 1.0 PRL · auto-paid via on-chain sendmany once a block reaches 100 confirmations

You'll see hashrate appear at pearl.alphapool.tech within ~60 seconds of your first share.

Why Proof-of-Useful-Work matters (beyond the meme)

Most chains burn electricity computing hashes that have no purpose other than being hard to compute. Pearl's twist is that the underlying work — large noisy matrix multiplications — is the same primitive that powers every modern AI model.

The implication: a hashrate becomes a GFLOPS rate. As the network grows, more aggregate GPU compute is being brought online by economically rational actors. The reference miner literally builds on the vLLM inference framework — meaning at scale, that compute can be reused for AI inference workloads in parallel with mining. Whether the broader vision plays out at scale is a real open question, but the architecture isn't fake — the math is the math.

For a miner, the mental model is: your GPU isn't being wasted on arbitrary hashes. It's running the same matmul kernels the AI industry is paying $2-4/hour for on RunPod. That alignment between proof and value is the long-term thesis.

Honest risks

We're not going to pretend this is risk-free. Spec-mining a brand-new chain has well-understood failure modes:

• PRL may never list on a meaningful exchange. Many small-cap L1s never achieve real liquidity. Your bag is theoretical until someone offers to buy it.
• Network is young and centralized. A small number of miners control most of the hashrate. A 51% attack is theoretically cheap right now.
• Protocol could change. Pearl is on its first mainnet. Bug fixes, consensus tweaks, even hard forks are on the table over the next year.
• Reward decays continuously. Today's ~2,764 PRL/block is the highest it will ever be. Mining economics get worse from here, not better — though the long tail is much smoother than a Bitcoin-style halving cliff.
• Custom kernels are still maturing. The CUDA kernels that make consumer GPU mining viable are new. Expect to update miners frequently in the early months.

Net-net: this is a calculated bet, not a guaranteed return. Size it as "use the GPU capacity that would otherwise be idle" — not "shut down the rest of the farm and go all-in on PRL."

Final take

Pearl is exactly the type of project we'd put in our own garage rigs in 2018: brand new, technically credible, undervalued only because no one's heard of it yet, and mineable on hardware that's already racked and powered. The downside is "you ran your GPUs for free for a few weeks." The upside is "you accumulated thousands of tokens at zero cost basis before any exchange knew it existed."

We've built the AlphaPool Pearl pool the way we'd want to mine into one ourselves — low fees, both pooled and solo modes, miner-friendly defaults, real human ops behind the dashboard, the fastest miner on the network. Questions or stuck on setup? Hop into the AlphaMine Discord — there's a dedicated #pearl channel and real humans who'll help you get connected.

This post is mining commentary, not investment advice. PRL has no exchange listing or USD price discovery as of publication. Mine what you can afford to throw away.