Custom NFC Challenge Coins – Interactive Coins With Embedded Technology

A Challenge Coin That Does More

Traditional challenge coins are static.

An NFC-enabled challenge coin connects the physical world to the digital world.

By embedding secure NFC technology inside a solid brass custom coin, you can allow anyone to tap the coin with their smartphone and instantly launch a digital experience.

No app required.
No battery.
No charging.

Just tap and connect.

  • An NFC challenge coin is a custom minted metal coin with an embedded NFC microchip sealed inside the coin.

    When someone taps the coin with a compatible smartphone, it can:

    • Open a website

    • Launch a digital business card

    • Link to a donation page

    • Trigger event access

    • Display exclusive content

    • Connect to product information

    • Direct to a video or campaign

    The coin remains a premium metal keepsake — now enhanced with digital capability.

  • Our NFC coins are not plastic tags.

    They are:

    • 2" solid brass core

    • Custom 3D or 2D die struck metal

    • Embedded NFC chip

    • Printed insert sealed under epoxy

    • Waterproof and durable

    The technology is permanently integrated into the coin.

  • NFC-enabled coins are ideal for:

    • Corporate marketing campaigns

    • Executive digital business cards

    • Event access passes

    • Conference engagement

    • Fundraising initiatives

    • Brand activations

    • Product authentication

    • Limited edition releases

    If you want your coin to trigger action, NFC makes it possible.

  • Your NFC coin still includes:

    • Raised 2D or 3D metal detail

    • Multiple finish options (15 available)

    • Custom shapes

    • Laser engraved edges

    • High relief sculpted surfaces

    It looks and feels like a premium challenge coin — because it is.

    The technology enhances it. It doesn’t replace it.

  • We discourage cluttered artwork.

    The best challenge coins focus on:

    • Strong central imagery

    • Bold raised metal

    • Clean enamel sections

    • Depth that creates shadow and contrast

    We optimize every design for metal, not just digital art.

  • Minimum order: 100 coins

    Customization options include:

    • Full color inserts over chip

    • Branded artwork

    • Custom finishes

    • Sequential numbering

    • Presentation packaging

    We help you design both the physical coin and the digital experience it connects to.

  • We have 15 different finishes based on your design needs.

    • Shiny silver, gold, brass, copper, nickel, chrome

    • Matte silver, gold, copper

    • Antique nickel, silver, gold, copper, brass

    • Black nickel

    • Dyed black

  • Premium high relief coins are often:

    • Thicker than standard coins

    • Heavier in hand

    • More visually commanding

    If your goal is impact, thickness matters.

  • Step 1 – We will Design Your Coin

    We create a detailed camera ready art to show you what your coin will look like.

    Step 2 – Program The NFC Chip

    You choose the digital destination we program on the coins or you can program them yourself if you like..

    Step 3 – Mint & Embed

    The coins are minted then the chip is embedded and sealed inside the coin.

    Step 4 – Activate

    Tap with a smartphone and launch your experience

  • 100 coins is always the minimum for any design.

    Standard 2" custom challenge coin:

    • One-time die fee

    • Per-coin pricing based on quantity

    • Discounts at higher volume levels

    • Do you want our Smart Coin(R) Tech enabled coins or regular business coins?

    For an exact quote, tell us:

    • Coin size

    • Estimated quantity

    • Any special edge or finish options

    • Numbering or laser edge engraving

    Request a custom quote below.

  • Step 1 – Share Your Brand Assets

    Logo files, brand guidelines, and objectives.

    Step 2 – Approve Your Digital Proof

    We create a production-ready metal rendering.

    Step 3 – Minting & Delivery

    Precision manufacturing and secure shipping.

    From concept to coin, we manage the process professionally.

  • Gray Water Ops® has produced custom coins for:

    • Corporate leadership teams

    • National brands

    • Veteran-owned companies

    • Nonprofit organizations

    • Federal agencies

    We understand the importance of brand representation.

The Future Of Challenge Coins

For decades, challenge coins have represented achievement, membership, and identity.

Now they can represent connection.

If you’re ready to merge precision metal craftsmanship with interactive technology, request a custom NFC challenge coin quote below.

Why Choose Gray Water Ops® Smart Coin®?

When it comes to custom challenge coins, Gray Water Ops® stands out from the competition. Our Smart Coin® are not just any challenge coins; they're meticulously crafted pieces of art that offer a tactile experience unlike any other. Holding a Smart Coin® in your hand, you can feel the 3D detail, the weight, and the texture. It's a tactile, sensory experience that is as rewarding as the recognition the coin represents.

artist Keith Hanshaw - DINFOS Ft Meade, MD

Meet Artist Keith Hanshaw

We owe much of our success to the unparalleled talent of our resident artist, Keith Hanshaw. Since 1995, Keith has been designing custom challenge coins, bringing a unique blend of creativity and craftsmanship to every piece. His designs are renowned worldwide for their distinctiveness and quality. Each Smart Coin® he creates is a solid, heavy, thick challenge coin that truly stands out, reflecting the pride of the person giving it and inspiring appreciation from the person receiving it.

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