Tracr
Team collaboration using @usernames and #hashtags
Tracr launched on January 29, 2015 with 78 votes, #558 of 1,772 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 11 years on.
What it does
Tracr is the leading digital platform for tracing natural diamonds from source at scale, making their journey visible through secure provenance records.
Every diamond on Tracr carries a record of its journey - from rough to polished. Our blockchain-based platform doesn't just record origin: it enables participants to showcase their own responsible and environmental standards behind each natural diamond. Transparency you can see, values you can trust. Enter your diamond's unique ID to access The Diamond Experience: the complete record of your natural diamond’s journey from mine to your hand. See its origin, reports, and every recorded step along the way. Your provenance record, always accessible. Blockchain technology meets diamond industry standards. Every diamond on Tracr is registered at the source, creating an immutable record that can…from tracr.com
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