Domain Arrivals
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Featured in Domain Arrivals · 2026-08-15

RareBill: The Dollar-Bill Treasure Scanner

rarebill.app ↗ · Useful Tools · score 86.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A planned iPhone app that scans US dollar bills for star notes and collectible serial-number patterns.

Why it surfaced

RareBill turns an everyday bill into a two-second treasure hunt, checking for 16 patterns including solids, radars, ladders, and low serials. The basic verdict is free and unlimited; a paid tier adds print-run rarity, value ranges, and collection tools.

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The Two-Tonne Temperature Problem

August 15’s newborn domains include a live-aboard hydrogen airship with a two-tonne lift problem, a Japanese toolbox that explains its assumptions, an advisory-by-advisory Hawaiʻi hurricane archive, and a wedding-gift game about ungrateful poultry.

This is one of 1,000 discoveries in the 2026-08-15 Domain Arrivals issue.

Explore the complete issue Browse Useful Tools

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