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Board S

$26.99 USD
  •   flight FREE SHIPPING
  • Unit price  per 

    Secure your crypto investment by punching your seedphrase into a pocket-sized, grade 304 stainless steel plate which will create a permanent offline backup of your coins. This product works with a single center punch tool.

    The Board S offers added discreteness and simple design with laser-etched guides. Don't underestimate its toughness! It's made to last for a lifetime.

    local_fire_department Fireproof (Up to 1450°C/2642°F)
    opacity Waterproof (No rust/corrosion)
    flash_on Shockproof (14GA. sheet)
    security Hackerproof (Digitally unreachable)
    code Open-Source (Public template)

    lock Safe shopping
    replay Easy 10 day returns

    SKU: BS-304/24


    Individual plate:

    Material AISI 304 Stainless Steel
    Gauge GA. 14
    Dimensions 93x80x2 mm
    Weight 110g (0.24lbs)
    Finish Matte 2B


    Punching tool:

    Brand/model Truper® 12218
    Material Cr-V Steel
    Hardness 53HRc
    Point angle 90º
    Dimensions 108x6 mm (4¼x¼")



    You will need 🡪

    • Pen and paper
    • A hammer/mallet (16oz/0.5Kg min.)
    • A flat and sturdy surface
    • Eye and ear protection


    1. Convert your seed into numbers

    By comparing each word with the BIP39 standard, you can convert them all into a unique number.

    2. Find a flat/sturdy surface

    You’ll need a heavy hammer/mallet for this job and the flattest surface you can find near you.

    3. Prefill the board

    Grab a marker and prefill all the cells where you have to punch.

    4. Punch the numbers

    Take the center punch tool and give one single good hit into every mark you made.


    View full instructions 🡪


    Any wallet that supports BIP39 seedphrases is compatible, some of them include:

    Hardware wallets 🡪

    • Ledger Nano
    • Trezor
    • Keepkey
    • Bit Box
    • Cool Wallet
    • Cobo Vault
    • Coldcard
    • Ellipal


    Software wallets (Desktop) 🡪

    • Electrum
    • Atomic Wallet
    • Exodus
    • Samourai Wallet
    • Blockchain
    • MetaMask
    • MyEtherWallet
    • MyCrypto


    Mobile wallets (Android/iOS) 🡪

    • Mycelium
    • Coinomi
    • Trustwallet
    • Coinbase Wallet
    • Enjin Wallet
    • Jaxx


    • 1, 2, 3 or 4 boards
    • Center Punch Tool (If selected)
    • Product Tag and Quick Guide
    • BIP39 conversion card(s)
    • Paper BIP39 English wordlist



      We ship our products worldwide via Registered Mail (standard air mail). Orders may take up to 4 business days to get dispatched after you buy. We also provide a tracking number.

      Cost ETA (Business days)
      FREE 10-15 days
      FREE 1-3 days
      Europe FREE 10-20 days
      Rest of the world FREE 15-28 days



      We offer returns for up to 10 days after you receive your order.

      (Learn More)

    How to use the Board S

    Get started in minutes

    Setup banner for the Board S steel backup

    Guaranteed Quality

    All of our products are designed to last for a lifetime.

    Worldwide Shipping

    We can ship to every country in the world via Registered Mail.

    Safe Shopping

    Our entire webstore has SSL encryption, you're safe.

    Easy Returns

    You have 10 days to return your order after receiving it.