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The masked engineer lifts the Mining Technology of the Year trophy, Blockchain Life 2025
26.4%
of the global mining firmware market
worldwide runs on VNISH
Custom VNISH firmware for Bitmain Antminer

No one ever saw him. Only the global hashrate increased

Increase and tune hashrate with a verified build route: pick the exact file, check the hash, flash with rollback in reach.

up to +30% hashrate from the same machine Free download · minutes to install Blockchain Life 2025 · the mask went on stage
Two Doors

Here for the ninja? Or for the hashrate?

Firmware

Your Antminer can do more. Our firmware unlocks it

VNISH: custom firmware for Bitmain Antminer, an ecosystem running since 2017. More hashrate from the same box, or fewer watts when power is expensive. Download free, install in minutes, roll back any time.

+30%
Hashrate boost, up to
2017
Ecosystem since
Bitmain Antminer S21
Firmware Dojo

Three choices. One verified route

Pick the machine, the board, the method. The dojo answers with the exact 1.3.4-stable build, checksum manifest and a way back.

SELECT YOUR FIRMWARE
Model
    Board type
      Method
        No tech skills? No problem. The wizard guides every step
        Antminer S21 Pro
        AML · NAND · v1.3.4-stable
        vnish-s21pro-aml-nand-v1.3.4.tar.gzSHA-256 53248a81f7…f14170f
        V1.3.4-STABLE · SHA-256 PUBLISHED · ROLLBACK PACKED
        A katana resting on Antminer hardware, checked before work
        THE RITUAL · A BLADE IS CHECKED TWICE. SO IS EVERY BUILD
        Missions

        One machine. One problem. One quiet win

        A new mission every week: real Antminers, real fixes, zero talking heads. Watch how he works, then take the same build home.

        The ninja in fighting stance, katana drawn, between two Antminers in a blue datacenter corridor
        Up to +30%
        hashrate over stock
        autotune-verified
        24/7 watchdog
        auto-recovery
        rollback always packed
        THE BLADE PROOF · DRAWN ONLY AFTER THE SECOND CHECK
        Precision is not a pose. It is a discipline
        Install

        Inside: a standard dashboard. Nothing to relearn

        Model, board, method, checksum, install. A dashboard miners recognize, staged as a mission cockpit: telemetry, autotune, pools, rollback. One exact model, no fantasy numbers.

        FIRMWARE COCKPIT · S21 PRO SAMPLE ROUTE VERIFIED
        DOWNLOAD · VERIFY · INSTALL SAMPLE TELEMETRY · REAL NUMBERS DEPEND ON ROUTE, POWER LIMIT, COOLING
        Remote firmware deployment: 100 percent, success — the ninja completes the install
        1

        Find your model

        Type the machine name, get the exact build for your boards.

        2

        Follow the route

        The install wizard walks you through, step by step, in your language.

        3

        Verify and tune

        Checksum first, autotune second. Rollback is always packed.

        Presentations

        The official VNISH deck in your language

        One document with the whole picture: the firmware, the numbers, the install route. Download, forward, present.

        One deck · the whole picture · forward it anywhere Prefer the live catalog? →
        The ninja crouches on a stack of real Antminers, katana drawn, datacenter behind
        45 models
        one verified route
        for every machine
        One night
        fleet rollout tools
        every rack in step
        REAL ANTMINERS · EXACT GEOMETRY, NO INVENTIONS
        The machines are real. So is every build they run
        Follow

        One new mission every week. The face never shows. The skills do

        Direct line to the dojo

        One throw and you reach a human. Model questions, fleet quotes, install help - answered fast, in your language

        SAME DIRECT LINE AS ROIASIC.COM · NO BOTS, NO TICKETS