MintMark® Mobile
Gold & Silver Authentication
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
MintMark SI™. Before you buy, verify. You can now authenticate your Sunshine Minting (SMI) coins, rounds, and bullion bars using MintMark SI™ mobile technology.
Verify your Sunshine Minting products with confidence.
MintMark SI™ gives collectors, investors, dealers, and precious metal owners a simple way to authenticate supported Sunshine Minting products using a smartphone camera. Locate the MintMark SI™ circle on your product, scan it with the app, and reveal the hidden “VALID” image to confirm authenticity in seconds.
FAST, SIMPLE AUTHENTICATION
• Locate the MintMark SI™ circle on your product.
• Position your smartphone camera over the circle.
• Follow the on-screen instructions to reveal “VALID.”
ADVANCED HIDDEN-IMAGE SECURITY
MintMark SI™ uses hidden-image security technology to help protect against counterfeit precious metal products. The security feature is built directly into the product and designed to resist duplication.
NO SPECIAL EQUIPMENT
Authenticate supported products using your smartphone camera, without a separate decoding lens.
DEVELOPED WITH GSSC
Built in collaboration with Graphic Security Systems Corporation (GSSC), a security technology company with decades of experience developing hidden-image authentication features for governments and high-security applications worldwide.
PRODUCT COMPATIBILITY
Designed for eligible Sunshine Minting coins, rounds, and bullion bars featuring the MintMark SI™ security mark.
Scan. Reveal. Verify.
Supported Gold & Silver Products
Gold Bars
1g Gold Bar
2g Gold Bar
2.5g Gold Bar
5g Gold Bar
10g Gold Bar
100g Gold Bar
1 oz Gold Bar
5 oz Gold Bar
Gold Rounds
1/20 oz Gold Round
1/10 oz Gold Round
1/4 oz Gold Round
1/2 oz Gold Round
Silver Bars
1 oz Silver Bar
5 oz Silver Bar
10 oz Silver Bar
1 Kilo Silver Bar
100 oz Silver Bar
500 oz Silver Bar
Silver Rounds
1/2 oz Silver Round
1 oz Silver Round
2 oz Silver Round
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
• Improved camera focus for faster, more reliable scanning.
• Enhanced detection of the hidden authentication image.
• Improved scanning performance in different lighting conditions.
• Expanded support for SMI gold and silver products, including additional bar and round sizes.
• General performance improvements and bug fixes for a smoother experience.
The developer, Graphic Security Systems Corporation, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Graphic Security Systems Corp.
- Size
- 97.5 MB
- Category
- Business
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © SMI 2024