r/Coinfinityโ€ข
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๐Ÿš€ Iโ€™m launching a MakerWorld crowdfunding campaign for COINFINITY โ€“ NFC-enabled coin stackers (Would love your feedback!)

Hey everyone! ๐Ÿ‘‹ Iโ€™ve been working on a project for the past year that combines my passion for collecting precious metals with 3D printing โ€” and Iโ€™m finally getting ready to launch a crowdfunding campaign on MakerWorld.

Itโ€™s called COINFINITY. The idea is simple:
๐Ÿช™ A smart, modular coin storage system that uses embedded NFC chips to track your collection using a mobile app.

With a quick tap on your phone, you can instantly:

  • See what coins are in a specific stack
  • Track what you paid for them
  • Get updated melt values
  • Organize everything with bins, bases, and digital tags

I've designed and printed stackers in 6 sizes so far (with more coming), and just finished prototyping matching bins and bases. Everything is 3D-printable at home โ€” but Iโ€™ll also be offering kits with pre-installed NFCs, magnets, and commercial licenses.

You can check out the project here:
๐ŸŒ https://coinfinity.us
๐Ÿ“ฑ https://coinfinityapp.com
๐Ÿ“˜ https://coinfinitydocs.com
๐Ÿ’ฌ Discord if you want to chat: https://discord.gg/coinfinity

I'm really excited to bring this to life with the community and would love to hear your feedback. Especially from fellow makers and metal stackers โ€” is this something youโ€™d use? Any ideas before I launch?

Thanks so much!
โ€” Gavin

Posted Aug 7, 2025, 12:53 AM UTC

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