Alternatives
Products that do what Certified Jewelry NYC does
14k gold chains
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2014 · whatsmychaincert.com
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Gold silver calc: 18 currencies, 7 languages, all purities
May 2026 · goldsilvercalc.com
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2019 · onetruerock.com
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Hey HN, I'm Jake, and I created Chainspy, a website that aggregates and visualizes on-chain metrics across multiple blockchains like Bitcoin, Ethereum, and others. It's designed to give you insights beyond just price data. Why Chainspy? - On-Chain Metrics: Track blockchain activity (e.g., transactions, active users) across multiple networks, all in one place. - Advanced Charting: Visualize blockchain data with integrated TradingView charts. Ideal for comparing blockchain performance over time. - Wealth Distribution: See how wealth is distributed across wallets and spot centralization trends.…
2024 · app.chainspy.net
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Hey HN! I’m Elena, one of the co-founders of Taiyaki. My co-founder and I are both ex-Stanford mechanical engineers who worked on consumer electronics (iPads) and materials at Apple. We built Taiyaki because most “custom” product platforms stall at 2D (like Etsy) or require complex CAD software. So we created a new pipeline: upload a photo, sketch, or idea, and we turn it into a 3D jewelry design in seconds, then make it in sterling silver, gold vermeil, or 14k gold. We design with manufacturing in mind: things like minimum wall thickness, castability, and engraving depth are all baked into…
2025 · taiyaki.ai
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