How to mine Blocknet

This guide takes you from downloading seine to your first accepted shares and payouts on the bntpool.com pool, on Windows, macOS or Linux. New to mining? How crypto mining works explains blocks, difficulty and pools first.

How do you mine Blocknet?

What do you need before you start?

• A Blocknet address. Install the official Blocknet wallet, either the command-line wallet or the desktop wallet, and copy your address. The wallet guide walks through it step by step. Keep the wallet and its recovery phrase on your own computer; don’t put them on a shared mining rig.
• Or a shortname. If you have a Blocknet ID shortname from blocknet.id, you can mine to @name instead of pasting the long address.
• About 2 GB of RAM per mining thread. Seine sizes itself to your machine and leaves headroom for the system, so you don’t need to work this out first.
• Windows, macOS or Linux. On Windows and Linux, NVIDIA graphics cards are used automatically when a recent driver is installed.

Step 1: download seine

Get the archive for your system from the download section. There is nothing to install: unzip it and you’re ready.

Each release also publishes a SHA256SUMS.txt file, so you can check that your download matches the release.

Step 2: run it

On Windows, double-click seine.exe. On macOS or Linux, open a terminal in the unzipped folder and run:

./seine

Step 3: enter your address and start mining

Seine asks for your payout address or @shortname, then for a pool. Press Enter to accept the default, stratum+tcp://bntpool.com:3333. Within moments the dashboard shows your hashrate and your first shares.

From here seine keeps tuning while it mines. It compares thread counts and CPU kernels on real mining work, switches only after a confirmed gain, backs off if memory gets tight, and remembers what worked for the next start. It never reconnects to the pool to do this, so tuning costs you no mining time.

How long until you get paid?

The bntpool.com pool uses PPLNS: each block’s reward is shared among the shares submitted in the six hours before it was found. A reward can’t be spent until its block is 60 blocks deep, which is about five hours at Blocknet’s five-minute block time. Once your confirmed balance reaches 0.1 BNT, the pool sends it to your address.

You can follow your hashrate, shares and balance on bntpool.com by looking up your address. The pool shows rewards from blocks that haven’t confirmed yet separately, because those can still change.

How fast will your computer mine?

Hashrate depends mostly on memory bandwidth and the number of threads your RAM allows. These are the best results measured with seine for each generation:

Results for every CPU tested are on the performance page, and the Blocknet mining hardware guide explains how RAM and memory bandwidth set these numbers.

How does seine get more from the same CPU?

Seine ships several Argon2id kernels for each processor family and measures them on your machine while it mines. On the hardware we tested, the right kernel made a large difference:

• AWS Graviton4: the SHA3 kernel with prefetching mines 56% faster than plain NEON (13.80 to 21.50 H/s).
• AMD EPYC 9R45 (Zen 5): the streaming kernel mines 30% faster than AVX2 (34.47 to 44.74 H/s at 24 threads).

You don’t have to choose any of this. Seine switches kernels only after a confirmed gain and remembers the result for the next start.

How can you get more hashrate?

• Mine on CPU and GPU together. Seine does this by default on Windows and Linux, and the two hashrates add up.
• Reserve huge pages on Linux and WSL. Backing each thread’s memory with 2 MiB pages added about 4–6% on the validation machine, and 1 GiB pages about 2% more. The huge pages guide has the commands.
• Let big servers spread out. On Linux, seine places threads across NUMA nodes and cache groups automatically. The large servers guide covers the details.
• Use CPU-only mining on Apple Silicon. It is the fastest choice on M-series Macs, which is what seine does by default.

Can you mine Blocknet solo?

Yes. If you run your own synced Blocknet node, start seine with ./seine --mode daemon and it mines directly against the node instead of a pool. You keep every block you find, but payouts arrive only when you find a whole block, so most people start on a pool. The solo mining guide explains the setup.