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Blockchain Life 2025 stage 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
VNISH NINJA Antminer Firmware
Custom VNISH firmware for Bitmain Antminer

No one ever saw him. Only the global hashrate increased

HashCore Toolkit 1.7.4 · One miner first · Your selected file

up to +30% hashrate from the same device Installation: Toolkit 1.7.4 · Package: NAND Blockchain Life 2025
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. HashCore Toolkit 1.7.4 · One miner first · Your selected file

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

Three choices. One verified route

Match the full model variant and control board, then compare the downloaded file's SHA-256 with the published value

SELECT YOUR FIRMWARE
Model
    Board type
      Installation: Toolkit 1.7.4 · Package: NAND
        Identify the current firmware and its date first. If you cannot confirm them, contact support before flashing
        Antminer S21 Pro
        AML · NAND · v1.3.6-stable
        vnish-s21pro-aml-nand-v1.3.6.tar.gzSHA-256 6bbd6c8735…8e1098
        Installation: Toolkit 1.7.4 · Package: NAND
        A katana resting on Antminer hardware, checked before work
        THE RITUAL · A BLADE IS CHECKED TWICE BEFORE BATTLE. SO IS EVERY BUILD OF OUR FIRMWARE
        Missions

        One device. One problem. One quiet win

        A new mission every week: real Antminers, real usage practices. Watch how he works, then take the same build home.

        Up to +30%
        hashrate over stock
        24/7 watchdog
        auto-recovery
        THE BLADE PROOF · DRAWN ONLY AFTER THE SECOND CHECK
        Install

        A universal, intuitive dashboard

        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
        1

        Choose model and control board

        Match the full model variant and control board, then compare the downloaded file's SHA-256 with the published value

        2

        HashCore Toolkit 1.7.4

        Create a folder, for example C:\VNISH on Windows, and put the downloaded .tar.gz inside it without unpacking or renaming it. Select the folder, not the archive. An empty-looking folder picker is normal: it shows folders, not files

        3

        VNISH 1.3.6

        Open the miner's web interface, check the installed version and your pools. Watch temperatures, hashrate and errors until stable before expanding to other miners

        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? →
        47 models
        one verified route
        for every device
        One night
        fleet rollout tools
        every rack in step

        Direct line to the dojo

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